Explore 2624 historical events from 0–9.
Enkutatash is a New Year holiday in Ethiopia and Eritrea. It is celebrated on Meskerem 1 on the Ethiopian calendar, which is 11 September according to the Gregorian calendar.
Enkutatash falls on this day if it is not a leap year. Celebrated on the first day of Mäskäräm. (Ethiopia, Eritrea,…
The National Day of Catalonia, also known as the Diada, is a day-long festival in Catalonia and one of its official national symbols, celebrated annually on 11 September. It is one…
National Day (Catalonia)
Nayrouz is a feast when martyrs and confessors are commemorated within the Coptic Orthodox Church. Celebrated on September 11, the day is both the start of the Coptic new year and …
Nayrouz (Coptic Orthodox Church), September 12 on leap years.
In the United States, Patriot Day occurs on September 11 of each year in memory of the victims killed in the September 11 terrorist attacks in 2001.
September 11 attacks-related observances (United States): Patriot Day
Saint Ailbe, usually known in English as St Elvis (British/Welsh), Eilfyw or Eilfw, was regarded as the chief 'pre-Patrician' saint of Ireland. He was a bishop and later saint.
Christian feast day: Ailbe (Elvis, Eilfyw) of Emly
Ebontius, also known as Ebon, Pontius, or Ponce, was Bishop of Barbastro, Spain, after its recapture from the Moors. Born in Comminges, Haute Garonne, France, he became a Benedicti…
Christian feast day: Ebontius
Guy of Anderlecht, also known as Saint Guidon was a Christian saint who is venerated in Catholic and Orthodox churches. He was known as the Poor Man of Anderlecht.
Christian feast day: Guy of Anderlecht
John Henry Hobart was the third Episcopal bishop of New York (1816–1830). He vigorously promoted the extension of the Episcopal Church in upstate New York, as well as founded both …
Christian feast day: John Henry Hobart (Episcopal Church (USA))
The September 11 National Day of Service and Remembrance or 9/11 Day is a federally-recognized National Day of Service that happens in the United States on the anniversary of the S…
September 11 attacks-related observances (United States): National Day of Service and Remembrance
Teachers' Day is a special day for the appreciation of teachers. It may include celebrations to honor them for their special contributions in a particular field area, or the comm…
Teachers' Day (Argentina)
The Feast of the Most Holy Name of the Blessed Virgin Mary is an optional memorial celebrated in the liturgical calendar of the Catholic Church on 12 September. It has been a unive…
Christian feast day: The Most Holy Name of the Blessed Virgin Mary
Laisrén mac Nad Froích, or Laisrén of Devenish and Lasserian, known as Mo Laisse, was the patron saint of Devenish Island in Lough Erne, near Enniskillen, County Fermanagh, Ireland…
Christian feast day: Laisrén mac Nad Froích
Saint Sacerdos of Lyon was Archbishop of Lyon from 544 to 552. He is venerated as a saint in the Catholic Church whose feast day is 12 September.
Christian feast day: Sacerdos of Lyon
Sep. 11 - Eastern Orthodox Church Calendar - Sep. 13
Christian feast day: September 12 (Eastern Orthodox liturgics)
The Saint Patrick's Battalion, later reorganized as the Foreign Legion of Patricios, was a Mexican Army unit which fought against the United States in the Mexican–American War. Con…
Commemoration of the mass hanging of the Saint Patrick's Battalion (Mexico)
Day of Conception is a Russian Holiday made popular by the region of Ulyanovsk, birthplace of Vladimir Lenin. The day itself takes place on September 12, and couples who then have …
Day of Conception (Russia)
Defenders Day is a longtime legal holiday on September 12, in the U.S. state of Maryland, in the City of Baltimore and surrounding Baltimore County. It commemorates the successful …
Defenders Day (Maryland, United States)
Enkutatash is a New Year holiday in Ethiopia and Eritrea. It is celebrated on Meskerem 1 on the Ethiopian calendar, which is 11 September according to the Gregorian calendar.
Enkutatash falls on this day if it is a leap year. Celebrated on the first day of Mäskäräm. (Ethiopia, Eritrea,…
Nayrouz is a feast when martyrs and confessors are commemorated within the Coptic Orthodox Church. Celebrated on September 11, the day is both the start of the Coptic new year and …
Nayrouz (Coptic Orthodox Church) (leap years only, September 11 on normal years)
The National Day of Encouragement in the United States was announced in 2007 and occurs each year on September 12. It is a day to uplift and encourage people to make a positive imp…
National Day of Encouragement (United States)
The Battle of Saragarhi was a last-stand battle fought before the Tirah Campaign between the British Indian Empire and Afghan tribesmen. On 12 September 1897, an estimated 12,000–2…
Saragarhi Day (Sikhism)
The United Nations Regional Information Centre for Western Europe (UNRIC) based in Brussels serves as the United Nations (UN)'s communications office, across 22 Western European co…
United Nations Day for South–South Cooperation (International)
The Feast of the Holy Cross, Feast of the Exaltation of the Holy Cross, or Feast of the Cross commemorates the True Cross. On 13 September, 335, the Constantinian Basilica over the…
Christian feast day: Feast of the Cross (Assyrian Church of the East)