September 15

Born into Slavic nobility around 860. Married Duke Bořivoj I of Great Moravia and helped establish Christianity in Bohemia. Renowned for her piety and charitable works among her subjects. After the death of her husband, she acted as regent for her grandson Wenceslaus. She was betrayed and murdered in 921 by agents of her daughter-in-law Drahomíra. Canonized in 1158, she remains a patron saint of Bohemia.

Born to the royal Árpád dynasty in the early 12th century. Daughter of King Béla II, she strengthened ties with Bohemia through her marriage to Duke Soběslav I. As Duchess, she sponsored ecclesiastical reforms and monastery foundations. Navigated complex court intrigues amid regional power struggles. Although details of her later life are scarce, she was remembered for her piety and diplomacy. Her legacy endures in medieval chronicles praising her influence at the Bohemian court.

Born around 1100 into the noble House of Rohan in Brittany. Cousin to Duke Conan III, he secured English lands through service to King Henry I. In 1136 he was created Earl of Richmond, consolidating his power. During the civil war known as the Anarchy, he sided with Empress Matilda. He maintained a strong retinue of knights and fortified his estates against rival claimants. Died in 1146, leaving a legacy in the politics of Norman England.

Born in 1173 into the Wittelsbach dynasty of Bavaria. Succeeded his father Otto I as Duke in 1183. He expanded his territories and established Landshut as a ducal residence. Participated in imperial politics, opposing Emperor Otto IV. His reign solidified Wittelsbach authority in southern Germany. Died in 1231, leaving a legacy of territorial consolidation.

Born in 1299 to Prince Mikhail of Tver. He became Prince of Tver in 1322 and sought to preserve its independence. Formed alliances with the Golden Horde to counter Moscow's influence. His ties to the Mongols drew suspicion and political rivalries. In 1326 he was summoned to Sarai and executed on orders influenced by Ivan I of Moscow. His death marked the decline of Tver and the ascendancy of Moscow.

Born in 1273 near Lake Tana in the Ethiopian Empire. Ordained as a monk, he advocated strict Sabbath observance on Saturday. His teachings emphasized ascetic practices and ecclesiastical reform. Faced opposition from church authorities and endured periods of exile. Continued to write theological works and guide his followers abroad. Died in 1352 and was canonized, with his movement enduring in Ethiopian Orthodoxy.

Adam Easton rose to prominence as a Benedictine monk in 14th-century England. He served as Prior of Christ Church, Canterbury, and was respected for his learning. Pope Urban VI appointed him cardinal in 1381, recognizing his scholarship. Entangled in the Western Schism, he was briefly imprisoned before Papal reconciliation. Authored treatises defending papal authority and church reform. Died in Rome in 1397, remembered among England's few medieval cardinals.

Born in 1384 to Thomas Holland, 2nd Earl of Kent. Succeeded to the earldom in 1400 upon his brother's death. Participated in parliamentary sessions and advised the Lancastrian court. Fought alongside Henry IV against Welsh uprisings and other rivals. Known for his loyalty to the new Tudor regime and administrative duties. Died without heirs in 1408, leading the title to pass to his uncle.

Born around 1440 into a mercantile family in London. He rose through the Merchant Taylors' Company to become an influential alderman. Elected Lord Mayor of London in 1492, overseeing trade and city governance. Financed public works, including bridges and hospitals in Stratford-upon-Avon. Left generous endowments for education and charitable institutions. Died in 1496, his name enduring in records of late medieval civic benefactors.

Born around 1420 in Dorset and educated at Oxford and Bologna. Served as Bishop of Ely and was created a cardinal by Pope Innocent VIII in 1493. Appointed Lord Chancellor under Henry VII, he negotiated the union of the Houses of Lancaster and York. Implemented fiscal reforms that strengthened royal finances and administration. Elevated to Archbishop of Canterbury in 1486, he guided the English church in the early Tudor era. Renowned for his political acumen and written works on law and governance.

Born in 1478 to the Wittelsbach family, Elisabeth married Philip I, Elector Palatine, forging alliances that shaped regional politics. As Electress, she championed the arts and was a patron to scholars, strengthening Heidelberg as a cultural center. Her correspondence with prominent humanists reflected her own learning and engagement with Renaissance ideas. Elisabeth navigated court intrigues with tact and helped stabilize the Palatinate during turbulent times. She died unexpectedly in 1504, leaving a legacy of enlightened leadership and artistic flourishing.

Born in 1447 into a noble Genoese family, Catherine experienced a profound religious conversion that led her to dedicate her life to the sick and the poor. She played a pivotal role in managing the Pammatone hospital, implementing reforms that improved care and hygiene. Her mystical writings, including Dialogues on the Soul and the Body, influenced Catholic spirituality and were widely read after her death. Catherine’s visions and theological insights made her a significant figure in the development of Christian mysticism. Canonized in 1737, she remains a patron saint of hospital administrators and the sick.