1540-45 Regent Dowager Duchess Elisabeth von Brandenburg of Braunschweig-Wolfenbüttel and Calenberg (Germany)
1540-58 Reigning Dowager Lady of Münden

After a few years as the second wife of Duke Erich I (1470-1540), she converted to Protestantism, promoted the Calvinist faith, and forced her husband to have his mistress, Anna Rumschottle, burned as a witch. She held the regency jointly with Philipp von Hessen for son Erich II, and introduced Protestantism to the state during her reign. One year after her son took over the government she married Count Poppo XII. zu Henneberg in Thüringen (1513-1574) and continued to reign in her Dowry Münden, but in 1555 she moved to Henneberg. The daughter of Kurfürst Joachim I. and Elisabeth of Denmark (1485-1555), she was mother of a son and three daughters by her first husband and lived (1510-58).

1540-61 Regent Dowager Countess Anna von Oldenburg-Delmenhorst of Ostfriesland (Germany)

1540-41 Regent Dowager Queen Isabella Jagiello of Poland of Hungary
1541-51 and 1556-59 Regent of Transylvania and Siebenbürgen (Hungary)
1551-56 Sovereign Duchess of Troppau and Opelln in Slesia (Germany-Poland)

Her husband King János I Szapolyai (or Zápolya) of Hungary (1526-40) died two weeks before  the birth of their son Janos II Zigismund Zapolyta (1540-71), and she began her struggle to keep the Hungarian throne as a widow queen and the guardian of her son, who was elected electus rex in the meantime. After the reoccupation of Buda in 1541, she had to go to Transylvania on the order of the Sultan, where she reigned over the territories under her authority. However, the real governor was György Martinuzzi. In the summer of 1551 she left Transylvania, which fell into the hands of Ferdinand Habsburg in accordance with the treaty of Nyírbátor, and handed over the insignia of the Kingdom to Ferdinand in exchange for Opelln and Troppau in Slesia. By the request of the Hungarian nobles, she returned to the country together with her son and her advisor, Mihály Csáky, in autumn 1556. After this she set up her Transylvanian chancellery with the help of Mihály Csáky, and the new state started to function, and she ruled until her death. She was daughter of Sigismund I of Poland, and mother Bona Sforza, she lived (1519-59).

1540 Sovereign Princess Anne de Rohan-Caboët of Rohan, Porhoët and León (France)

Married to her cousin, Pierre II de Rohan, Seigneur de Fontenay, who became Duke of Rohan after their marriage.  

Ca. 1540-69 Sovereign Countess Charlotte de Brosse of Penthièvre (France)

Her father, René de Brosse, was killed in Italy in 1525. She was married Francois II of Luxembourg. Her son, Sébastien de Luxembourg-Saint-Pôl, got the title of Duke of Penthièvre, and was succeeded by daughter Marie in 1579. 

1540-59 Politically Influential Empress Sabla Wangal of Ethiopia

Widow of emperor Lebna Dengel [or Wanag Sagad or Dawit II] and the political advisor of her son Galawdewos [Atsnaf Sagad I]. Also known as Seble Uengel, she was the daughter of a father from northern Tigre and a mother from Simien (d. 1568). 

1540-59 Politically Influential Princess Ameta Giyorgis of Ethiopia

Influential during the reign of her brother, Gelawdenos. Daughter of Emperor Lebna Dengel.

1540-56 Princess-Abbess Margarethe II von Montfort of Buchau (Germany)

At the time of her election, the economic situation of the convent was very bad, and she was preoccupied with the restoration. At the Assembly of the Swabian Circle (Kreistag) in 1542, she voted just after the Prelates and the Abbess of Rottenmünster. Two years later she was represented by Mr. Weingarten and Mr. Marchtal. The same year she signed a decision of the Imperial Diet (Reichstagsabscheid) and in 1555 she was represented in the Imperial Diet by the Counts of Swabia. She was daughter of Count Hugo von Montfort and Anna von Zweibrücken, and her sister, Sibylle, had been Princess-Abbess of Essen since 1533.

1541 Governor Beatriz de la Cueva de Alvarado of Guatemala (Spanish Colony)

After the death of her husband, Pedro de Alvarado, she manoeuvred her own election and became the
only woman to govern a major American political division in Spanish times. A young and ambitious woman who styled herself the Hapless One (La Sin Ventura), she was drowned a few weeks after assuming office in the destruction of Ciudad Vieja by a sudden flood from the volcano Agua. She was succeeded by brother, Francesco de la Cueva y Villacreces, Governor 1540-41 and 1541-42.

1541-50 Regent Dowager Marchioness Jacoba de Croÿ of Bergen-op- Zoom (The Netherlands)

In charge of the margravate after the death of her husband, Antoon, who was lord from 1532 and Marquess from 1533. Her son Jan IV van Glymes took over as regent in 1550 at the age of 22. Jacoba (d. 1559).

1541-61 Reigning Dowager Lady Dowager Duchess Katharina von Mecklenburg-Schwerin of the Castle and Office of Wolkenstein in Sachsen (Germany)

An early supporter of Martin Luther, she was in opposition to her brother-in-law, Duke Georg of Mecklenburg, who tried to bribe her to remain Catholic. Her husband, Heinrich von Sachsen-Freiberg, at first suppressed Lutheranism, but Freiberg became Lutheran. After Gerorg's death in 1539 they moved to Dresden and introduced the reformation here. Heinrich died in 1551, and she spent the rest of her life in her dowry, the Castle and Office of Wolkenstein. She was mother of six children, and lived (1477-1561).

1542-51 Acting County Sheriff Sophie Pedersdatter Lykke of the County of Holmekloster, Denmark
1560-63 and 1563-70 County Sheriff of the COunty of Lister, Norway

Sophie Lykke was married to Councillor of the Realm, Jacob Hardenberg, who died 1542. Thereafter she administered the possessions of her three young daughters together with her own lands. She was very unpopular. Her peasants protested to the king against her, and in 1557 she was convicted of illegally selling cattle. In 1560 she was given Lister Len as security for a lone, and moved to Norway. Also here the peasants complained against her, and she broke the ban against exporting timber abroad, and she lost the fief, but managed to get it back later the same year, because of her good connections. She lived (Ca. 1510-70).

1542-69 Influential International Banker Gracia Mendes Nasi in Europe and the Ottoman Empire

Also known by her Christianized name Beatrice de Luna Miques, she inherited the enormous Mendes fortune after the death of her brother-in-law, Diego in 1542, whom she had joined in Antwerpen after the death of her husband, Francisco whose wealthy Spanish Jewish banking family had also fled the Inquisition and settled in Portugal. She then took over the management of the international banking empire and continued using the family's contacts and resources to help Jews escape the Inquisition, and this meant that she and her remaining family were constantly in danger. Over the next 11 years, she moved across Europe with her daughter, her sister, and her daughter- and son-in-law, travelling from Antwerp through France, Italy, and Turkey. The Inquisition pursued them, local rulers relentlessly crying heresy and attempting to confiscate their fortune. With diplomacy, shrewdness, and business acumen, she managed to escape each assault and continue building the family business. She and her family finally reached Turkey in 1553, where they settled near Constantinople. In 1558 she leased Tiberias, in Palestine, from Sultan Suleiman, for a yearly fee of 1000 ducats and, in 1561, her nephew and son-in-law, Joseph Nasi obtained ruling authority over Tiberias and Safed, developing major new centres of Jewish settlement.. She lived (1510-1569).

1543-52 Regent Dowager Sultana Bat'ial Dël Wanbara of Harrar (Ethiopia)

Also known as Bati Del Wambara she was ruled the territory after her husband, Imam Ahmad died in battle. She reigned jointly with 'Ali Jarad. She had accompanied her husband on his expeditions of conquest in the Christian highlands. At times she had to be carried on their shoulders up and down steep and rocky mountain slopes, twice in a state of pregnancy. She gave birth to Muhammad in 1531 and Ahmad two years later. After the defeat and death of her husband and the capture of her young son Muhammad, she fled to the northwest of Lake Tana, and eventually succeeded in returning to Harar, then at the centre of Adal power. Her first task was to make arrangements for the exchange of her eldest son Muhammad for Emperor Galawdewo's brother, Minas. Del Wanbara was determined to revenge her husband's death and, nine years later, agreed to marry the Emir of Harar, Nur Ibn Mujahid, son of her first husband's sister, seeing in him the best prospect of achieving her aim. Emir Nur began by rebuilding Harar, which had been sacked, and enclosed the town with a wall, which can be seen to this day. Having reorganized his forces, he undertook a new conquest of the Christian highlands and, in 1559, killed Emperor Galawdewos in battle. She was daughter of Imam Mehefuz, governor of Zayla and de facto ruler of the state of Adal. She married Imam Ahmad and, ignoring the protests of his soldiers.

1543-56 Politically Active Guardian Dowager Duchess Emilie von Sachsen of Brandenburg-Ansbach (Germany)

Also known as Aemilie, and after the death of her husband, Georg the Pious, she was guardian of their son, Georg Friedrich (1539-1603), who reigned under the regency of the Electors of Brandenburg and Sachsen and Landgrave of Hessen until 1556. She gave him a good scientific and humanistic education. She must have spend the rest of her life administering her dowry lands, but I have found no specific informations about this. She lived (1516-91).

1543-48 Princess-Abbess Magdalena von Hausen of Säckingen (Germany)

In 1548 she joined the Reformation but was not successful in converting the other ladies of the chapter and she resigned her post.

1544 Governor of the Realm Queen Katherine Parr of England (United Kingdom)

Very learned and inclined towards the reformed doctrines and successfully interceded for many so-called 'heretics,' who would otherwise have suffered death. She also induced Henry VII, her third husband, to restore, to Royal rank, the Princesses Mary and Elizabeth whose legitimacy his remarkable matrimonial arrangements had left in doubt. Henry named Catherine as Regent when he designed an expedition to France in 1544. Her main functions, in the last two years of her husband’s reign, were those of his nurse as he suffered agonies of pain from an ulcer in his leg. After his death in 1547, she married Thomas Seymour, Lord Sudley, and died giving birth her first child, named Mary, the year after. She lived (1512-48).

1544-60 Governor Brites de Albuquerque of Pernambuco (Brazil)

Widow of Duarte Coelho Periera (1534-44) and succeeded by son Duarte Coelho de Albuquerque, who was governor for the Portuguese King (1560-72).

Around 1544 Datuk Lampe Ellong of Supa (Indonesia)

Granddaughter of Dom Joao, and sucessor of her father, married La Cellamata and was succeeded by Princess Tosappae.

1544-87 Sovereign Lady Ermgard van Wisch of Wisch op Oud-Wisch, Wildenborch, Overhagen and Lichtenvoorde (The Netherlands)
1552-58 Regent Dowager Countess of Limburg-Stirum
1553-87 Hereditary Countess of Bronckhorst and Borculo

Inherited the family's possessions in Wisch after the death of her brother, Joachim, but her mother, Waldburga van den Bergh was allowed to reside in the castle for life. After the death of her husband, Georg von Limburg in Stirum (1500-52), she was regent for son, Herman George, Graaf van Limburg en Bronckhorst, heer in Stirum, Wisch en Borculo (1540-74), who later married to Maria von Hoya (1534-1612). Finally she inherited the possessions of her uncle, Count Joost van Bronckhorst-Borculo. She (d. 1587).

1544-? Politically influential Mihrumâh Sultana of the Ottoman Empire

Only daughter of Sultan Süleyman the Magnificent and Hürrem Sultan, who adored her, and complained with her every wish. She married Rüstem Pasha, Governor-General of Diyarbakýr, who was shortly afterwards appointed grand vizier. According to Ottoman historians, she, together with her mother and husband conspired to bring about the death of Sehzade Mustafa, who stood in the way of her influence over her father. The fact that she encouraged her father to launch the campaign against Malta, promising to build 400 galleys at her own expense; that like her mother she wrote letters to the King of Poland; and that on her father’s death she lent 50.000 gold sovereigns to Sultan Selim to meet his immediate needs, illustrate the political power which she wielded.  Her husband was grand vizier in the periods 1544-1553 and 1555-1561, and she and her mother formed an inner circle in the government, which evidently influenced the sultan's decisions particularly in issues concerning the succession and the future of the sultanate. They were accused of putting pressure on her father to execute his eldest surviving son, Mustafa. At that critical point when he was faced with open protest from the army and negative public opinion following the murder of Mustafa, her father was forced to replace his her husband in the position of Grand Vizirate with Kara Ahmed Pasha, a war hero and favorite of the army. But within two years under pressure from the inner circle under Hürrem, Kara Ahmed was eliminated and Rustem resumed the Grand Vizierate, keeping the office until his death in 1561.

Ca. 1545-64 Rani Regnant Durgavati Vishwavidyalaya of Gondwana (India)

The principality is also known as Garha-Kalanga, and it's inhabitants were a group of Dravidian tribes, aboriginal (pre-Aryan) people She was the daughter of the Rajput chief of Mohaba and married to Dalpat Shah, and after his death she ruled for their minor son. In 1564, the Moghul emperor Akbar directed one of his commanders Asaf Khan to conquer the kingdom. On the advance of the huge imperial Moghul army, she was cautioned by her counsellors to whom she replied, "It is better to die with glory than to live with ignominy". Her son Bir Narayan was seriously wounded. But she waged the war with the great skill and bravery until she was disabled by two arrow shots. Her officers wanted to carry her from the battlefield to a place of safety, but she rejected the proposal and committed suicide.

1545-52 Regent Dowager Duchess Christine of Denmark of Lorraine and Bar (France)
1560-90 Titular Queen of Denmark, Sweden and Norway, The Wends, Goths and Slavs, Duchess of Schleswig-Holstein, Ditmasken, Countess of Oldenborg
1558-68 Political Advisor and Temporary Acting Regent in Lorraine
1568-75 Reigning Dowager Lady of the City of Friedberg and Administrative Unit and Castle of Höckeringen in Bayern (Germany)
1578-90 Reigning Dowager Lady of Tortona (Italy)

After her father, Christian 2 of Denmark was deposed she grew up by her mother, Elisabeth von Habsburg's aunt, Margaretha, Governor-General of the Netherlands, who took it upon her to guard the children from the Lutheran faith. After Margaretha's death, their mother's sister, Dowager Queen Maria of Hungary took over their upbringing. In 1535 her first husband, the 26 year older Duke Francesco 2. Sforza of Milano of died after 1½ year of marriage, and she returned to the Netherlands. In 1541 at the age of 20 she married François of Bar who inherited Lorraine three years later.
She was regent whenever her husband was abroad from the Duchy and acted as his political advisor, among others at the Reichstag in Speyer in 1544. In his will her husband appointed her regent jointly with her brother for her son, Charles (Karl) (1545-1608), but she tried to rule independently. In 1552 France attacked the Duchy and in exchange for a peace treaty she had to give up the regency and accept that her 10 year old son were to grow up at the French court as a future husband of Princess Claude, and she returned to her aunt in the Netherlands together with her two daughters. Six years later both her aunt and the emperor died and everybody assumed that she would be appointed Governor-General of the Netherlands as she was close to her cousin Filip II and was much loved by the Dutch people. Also, she had just contributed to the peace treaty between the French and Habsburgs in Cateau-Cambrésis, but the post of Regent was given to Felip's sister, Margaretha of Parma. She then lived in Lorraine as the political advisor of her son Charles and also acted as regent from time to time. She never gave up the thought of regaining her father's Nordic realms. In 1560 she tried to have her daughter René married to King Frederik 2 of Denmark. At the beginning of the seven-year war between Denmark and Sweden 1563-70 she attempted, through alliances with the Swedish king Erik XIV and the Danish exiled Councillor of the Realm, Peder Oxe, to plan how to regain the realms, and already signed her self as Queen: “Chretienne par la grace de dieu royne de Dennemarck, Suede, Norwegen”. When Renata married Duke Wilhelm of Bayern, she took up residence at the castle, the city of Friedberg became the center of the court life and in the next years it experienced a major boom. For health reasons she withdrew to her Italian Dowry Tortona in 1578, where she presided over a big court. She continued to print coins and medals as Queen of Denmark. She took over the claims as successor of their father, Christian II (d. 1559), from her sister, Countess Palatine Dorothea, who had no children. Christine lived (1521-90).

1545-53 Regent Dowager Queen Yun Mun-jong of Korea

Also known as Mun-jong Wang-hu, she was widow of Chung-jong, Chung-jong (1488-1506-44) and in charge of the government in the name of Myong-jong, who succeeded his brother, Injong. Her reign saw a lull in the suppression of Buddhism and The Buddhist monk Hyujong (1520-1604) did much to promote an ecumenical movement and harmonized the value of Buddhism with philosophical Daoism and Confucianism in his 'Mirror of the Three Teachings'. She lived (1501-65).

Ca. 1545-ca.1570/80 Sultan Hudah bint Sarmah al-Fasi of Fazzan (Libya)

Grandchild of Muhamad al-Fasi Fezzan. The state mainly consisted of oases in the Sahara Desert, and the population is largely Arab, with Berber and black African influence. Located on caravan routes connecting the Mediterranean Sea with the Sudan, Fazzan was long important in the trans-Saharan trade. From the early 16th to the early 19th century it was the centre of the Bani Muhammad dynasty, which originated in Morocco.

1545-47 (and possibly 1564-78) Queen Regnant Phra Chao Chira Prapa Mahadevi of Lanna (Thailand)

Also known as Chiraprabha, Mahatevi Jiraprapa or Phra Nang Yout Kham Thip, she was the oldest daughter of king Phaya Ket, and took over after a power struggle among various factions and during civil war in the region. According to some sources, King Burengnong married her, (now in her 40s (at least), and she ruled for a second time from 1564 until her death in 1578, according to other sources, it was her younger sister, Queen Wisutthithew, that Burengong married, and it was she who ruled from 1564.

1545-48 Regent Dowager Lady Elena Salviati of Piombino, Scarlino, Populonia, Suvereto, Buriano, Abbadia al Fango and of the Isles of Elba, Montecristo and Pianosa  (Italy)

After the death of her husband, Jacopo V Appiani (1480-1545) she was regent for their son, Iacopo VI (1529-85). The Lordship was under attack from Toscana and in 1548 she protested against the investiture of Cosimo I de' Medici as Duke of Piombino. She lived (1506-62).

1545 Acting County Sheriff Ide Mogensdatter Munk of the County of Abrahamstrup, Denmark

Ide Munk was a major land-owner, also known as Ida, she was married to Oluf Nielsen Rosenkrantz til Vallø, and their daughter was Birgitte Olufdatter Rosenkrantz til Øster Vallø. Ide died 1586.

1545 Military Leader Lilliard in Scotland (United Kingdom)

Led the Scots at the Battle of Ancrum in one of their last victories over the English forces. She killed the English commander but lost her own life later in the battle.

1546-48 Joint Regent Dowager Queen Si Sudachan of Ayutthaya (Ayudhaya) (Thailand)

สมเด็จพระศรีสุริโยทัย was also known as Sudachachandra. After the death of her husband, Chairajadhirai (Chaiya Radschathira) she poisoned his oldest son and made her lover, the minor court official, Kaeofa (Phra Yod Fa),kingChaiya Radschathira, and executed those who protested. Her son was succeeded by Worawongsathirat, a favourite of the widow of king Boromaradscha IV (1529-33) and after he was deposed her close relative, Maha Chakrapat, ursurped the throne and ruled until 1568. She (d. 1548).

1546-60 (†) Regent Dowager Countess Amalie von Leising of Mansfeld-Vorderort zu Bornstädt (Germany)

1546-1601 Sovereign Duchess Marie de Bourbon-Saint-Pôl of Estouteville, Countess de Saint-Pôl (France)

Also known as Marie de Bourbon-Vendôme, she was daughter of François de Bourbon-Vendôme, Duc d'Estouteville and Count of Saint-Pôl and Chaumont (1491-45) and Adrienne II, Duchesse d'Estouteville (1512-60). Marie succeeded her brother, François (1536-46). She first married Jean de Bourbon-Vendôme, Count de Soissons, then François de Clèves-Nevers, Duke de Nevers, whom she divorced in 1561 and finally with Léonor d'Orléans, Duc de Longueville (d. 1573). Marie lived (1539-1601).

1546-53 In-charge of the Government Electress Agnes von Hessen of Sachsen (Germany)
1553-55 Reigning Dowager Lady of Weissenfels and Weissensee in Sachsen

Reigned as her husband, Moritz was away in various wars. 1547 he was awarded with the title of Kurfürst (Elector) and Duke of Sachsen-Wittenberg. In 1553 he was wounded in the battle of Sievershausen and died shortly after. Their only surviving child was a daughter, Anna von Sachsen (later married to and divorced from Willem of Oranje) and therefore he was succeeded by his brother August. Her sister, Anna, was Guardian in Pfalz-Zweibrücken-Veldenz-Parkstein and Birkenfeld from 1569. Agnes lived (1527-55).

1547-60 Member of the Chosen Council Tsaritsa Anastasia Romanovna Zakharyina of Russia

Also known as Anastasiia Zakharina, she was member of the Chosen Council with a number of military leaders, priests that carried out a number of political, military, and ecclesiastical reforms during the reign of her husband, Ivan the terrible. She was periodically able to control her husband's fits of bad temper, and those periods were known as the "good part" of his reign. After her death - during the "bad part" he carried out a reign of terror against the boyars. He married six more times, and treated his wives cruelly: one was drowned, three were imprisoned, and two were sent to a nunnery. She lived (1530–60).

1547-58 Sovereign Duchess Eléonore of Austria of Touraine (France)

Married to Manoel I of Portugal and then to king François I of France (1497-1547). After his death she was given the duchy as a dowry. His brother Henri II succeeded him as king, since their marriage was childless. She lived (1498-1558).

1547-67 Sovereign Countess Guyonne XVIII "la Folle" of Laval (France)

The daughter of Guyonne VIII, she was origninally named Renée de Rieux, and succeeded her uncle Count Guy XVI. 1545 she had married Louis de Sainte-Maure, marquis de Nestlé et comte de Joigny. She lived a tumultary life and converted to the Calvinist faith. Her sister, Claude de Rieux, married one of the protestant leaders François d'Andelot. She was convicted for treason by the Parliament of Paris together with two other leaders of the "poursuite de Meaux" which tried to kill King Charles IX and Dowager Queen Catherine de Médici in 1567; their possessions were confiscated, and executed. Guyonne escaped this faith because of her mental instability. She sought refuge in Laval and died a few months later. She was succeeded by her sister Claude, or his son Paul, who took the name of Guy XIX he died 1586.

1547-77 Princess-Abbess Magdalena von Chlum of Gandersheim (Germany)

During the Schmalkaldian war, she was she only canoness who remained in the chapter, and Duke Heinrich von Brauschweig had her appointed as head of the territory. In 1568 the church service became protestant but she remained a Catholic. Duke Julius von Braunschweig occupied the territory in 1575 and she was taken prisoner. She was member of a Bohemian noble family.

1548-58 Reigning Countess Anna van Egmond of Buren, Leerdam en Lingen, Dame of Ijsselstein, Borssele, Grave, Cranendonk, Sint Maartensdijk en Odijk (The Netherlands)

Daughter of Count Maximiliaan van Egmond and Francoise de Lannoy, Dame de Lannoy, de Santes et de Trochiennes. Married to Prince Willem I van Oranje and lived (ca. 1533-58).

1548-58 Princess-Abbess Anna II von Kittlitz of Gernrode and Frose (Germany)

The Lords of Kittlitz had their lands in Sachsen and Slesia.

1548-66 Sovereign Duchess Diane de Portiers of Valentinos and d'Étampes (France)

Mistress of King Henri II of France and first married to Louis de Breze, Count de Maulevrier. She hat tree daughters, Francoise de Breze, Countess de Maulevrier, who was married to Robert von der Marck, lord of Sedan, Duc de Bouillon, Louise de Breze, Dame d'Anet, who was married to Claude of Lorraine, Duc d'Aumale, and by Henri II, she had Diane de Valois. She lived (1499-1566).

1548-53 De facto Regent Dowager Countess Margarethe von Wied-Runckel of Manderscheid-Blankenheim (Germany)

After the death of Arnold of Manderscheid-Blankenheim, two male relatives were appointed guardians of her children, but they does not seem to have taken much part in the governing of the county, and she was in fact the regent until her oldest son, Hermann, came of age. Two of her daughters became Princess-Abbesses of Essen - Elisabeth VI and VII and another daughter, Margarethe was Abbess of Elten and Vreden. A son, Johann, was Prince-Bishop of Strassburg.  Margarethe von Wied later married a Count of Bentheim, and (d. 1571).

1548-49 Princess-Abbess Adrienne I de Morbecq of Nivelles, Dame Temporaire and Spirituelle of Nivelles (Belgium)

As ruler of the territory she was Princess of the Empire and Head of a number of Lordships around Nivelles.

1548 Heroine Queen Suriyothai of Ayutthaya (Ayudhaya) (Thailand)

Also known as Somdet Phra Sisuriyothai or T’ao Sri Suda Chan. Barely six months into the reign of her husband, King Maha Chakapat, the King of Burma invaded Siam with the intent of sacking the main capital, Ayutthaya. Her husband lead his troops in the defence of the city from atop his war elephant and she disguised herself as a man and rode into battle on her own elephant. During the battle with Burmese troops, her husband's elephant collapsed from wounds and he was in danger of being killed and she rode her elephant to protect her husband and was killed by a scythe. (d. 1548).

1549-51 Regent Dowager Princess Syun Beka of Kazan (Russia)

Reigned in the name of son. After the final downfall of Golden Horde in the third-fourth decades of the 15th century in its vast area were formed separate Tatar states. They included the Kazan Khanate (1445) situated in the northern boundaries of Volga Bulgaria from the river Sura in the west to the river Belaya in the east. The 15th century and the first half of the 16th century was the period of prosperity of Kazan Khanate and its capital.