September 27
Overview
Holidays & Observances
Christianfeast days:
Adheritus, Bonfilius, Caius of Milan, Vincent de Paul, Cosmas and Damian, September 27 (Eastern Orthodox liturgics)
An Eastern Orthodox liturgical observance honoring early Christian saints such as Vincent de Paul, Cosmas and Damian.
Consumación de la Independencia(Mexico)
Mexican national holiday marking the finalization of independence from Spain in 1821.
French Community Holiday(French community of Belgium)
A public holiday celebrating the French-speaking community and its cultural heritage in Belgium.
Independence Day (Turkmenistan), celebrates the independence ofTurkmenistanfromUSSRin 1991.
National holiday commemorating Turkmenistan’s independence from the Soviet Union on September 27, 1991.
Meskel(EthiopianandEritrean Orthodox Church, followingJulian calendar, September 28 on leap years)
An Orthodox Christian festival in Ethiopia and Eritrea commemorating the discovery of the True Cross.
National Gay Men's HIV/AIDS Awareness Day(United States)
U.S. observance raising awareness of HIV/AIDS in gay and bisexual men.
Polish Underground State's Day(Poland)
Commemorates the establishment of the Polish Underground State during WWII in 1939.
World Tourism Day(International)
An annual UNWTO observance to highlight tourism’s social, cultural, and economic value.
Adheritus
Feast day commemorating Saint Adheritus in the Eastern Orthodox tradition.
Events
William the Conqueror and his army set sail from the mouth of the Somme river, beginning the Norman conquest of England.
William the Conqueror set sail from the Somme in 1066, launching the Norman conquest of England.
The Battle of Płowce is fought, between the Kingdom of Poland and the Teutonic Order. The Poles are defeated but their leaders escape capture.
The Battle of Płowce in 1331 saw Polish forces clash with the Teutonic Order, resulting in a hard-fought encounter.
After the brief Gollub War, the Teutonic Knights sign the Treaty of Melno with Poland and Lithuania.
The Treaty of Melno was signed in 1422, ending the Gollub War between the Teutonic Knights, Poland, and Lithuania.
The Siege of Vienna begins when Suleiman I attacks the city.
In 1529, Suleiman the Magnificent launched the first Siege of Vienna, testing the limits of Ottoman expansion into Europe.
The Society of Jesus (Jesuits) receives its charter from Pope Paul III.
The Society of Jesus, known as the Jesuits, received papal approval in 1540, founding a major Catholic order.
The armies of Sweden are defeated by the Polish–Lithuanian Commonwealth in the Battle of Kircholm.
In 1605, Polish-Lithuanian forces achieved a decisive victory over Sweden at the Battle of Kircholm.
The Venetians surrender the fortress of Candia to the Ottomans, thus ending the 21-year-long Siege of Candia.
The 21-year Siege of Candia ended in 1669 with Venice surrendering the fortress to the Ottoman Empire.
American Revolution: Lancaster, Pennsylvania becomes the capital of the United States for one day after Congress evacuates Philadelphia.
During the American Revolution, Lancaster briefly served as the capital of the United States on 27 September 1777.
The National Assembly of France votes to award full citizenship to Jews.
France’s National Assembly granted full citizenship to Jews on 27 September 1791, advancing civil rights during the Revolution.
Births
Ninmyō
The 54th Emperor of Japan who reigned during the mid-Heian period.
Ermentrude of Orléans
Queen of the Franks and wife of King Charles II, noted for her influence in Carolingian politics.
Wenceslaus II of Bohemia
King of Bohemia and Poland who expanded his realm and minted the Prague groschen.
John II
Duke of Brabant known for his cultural patronage and political maneuvering in the Low Countries.
Adolf
Count Palatine of the Rhine who played a key role in imperial politics and territorial administration.
Cosimo de' Medici
Italian banker and de facto ruler of Florence who laid the foundations of the Medici political dynasty.
Stanisław Kazimierczyk
Polish canon regular and Augustinian friar renowned for his preaching and charity, later canonized as a saint.
John de la Pole
English nobleman and military commander who held high offices during the Wars of the Roses.
Hieronymus Łaski
Polish diplomat and nobleman who played a significant role in 16th-century European politics.
Deaths
Pugu Huai'en
Pugu Huai'en was a prominent Tang dynasty general celebrated for his strategic leadership on the empire's frontiers.
Kyŏn Hwŏn
Kyŏn Hwŏn was the founding monarch of the Later Baekje kingdom during Korea's Later Three Kingdoms period.
Vekenega
Vekenega was a Benedictine abbess renowned for her devout leadership at the Convent of St. Mary in Zadar.
Bonfilius
Saint Bonfilius was an Italian bishop of Foligno revered for his deep devotion and pastoral care in the 11th and 12th centuries.
Richeza of Berg
Richeza of Berg was Duchess of Bohemia noted for her diplomatic skill and patronage of religious institutions.
Renaud de Courtenay
Renaud de Courtenay was an Anglo-Norman nobleman influential in the feudal politics of 12th-century England and Normandy.
Raymond VII
Raymond VII was Count of Toulouse known for his defense of Occitan autonomy during the Albigensian Crusade.
William of Wykeham
William of Wykeham was an English bishop and royal administrator renowned for his educational and architectural legacy.
Felice della Rovere
Felice della Rovere was a Renaissance noblewoman and influential patron of the arts, famed as Pope Julius II's daughter.