Holidays and observances
Holidays and observances on September 15
18 holidays and special days are celebrated on September 15 around the world.
- 18observances
- 57events
Holidays and observances
Battle of Britain Day (United Kingdom)On 15 September 1940, during the Second World War, an air battle was fought on 15 September 1940 during the Battle of Britain between the German Luftwaffe and British Royal Air Force (RAF). Now celebrated as Battle of Britain Day, on that date, the Luftwaffe l
Christian feast day:
Joseph AbibosJoseph of Alaverdi was a saint who founded a monastery in Alaverdi and served as abbot. A native of Syria, he was a disciple of John of Zedazeni and one of the Thirteen Assyrian Fathers. He is mentioned in Bessarion's The Saints of Georgia. His feast day is ce- Christian feast day: Alpinus (Albinus) of LyonAlbin or Alpin is the 14th bishop of Lyon who succeeded Saint Just. He is recognized as a Saint by both the Roman Catholic Church. and the Eastern Orthodox Church and is celebrated on 15 September.
Christian feast day:
Aprus (Èvre) of ToulSaint Aprus was the seventh bishop of Toul. He has been considered a saint in Toul since the 10th century. His feast day is celebrated on 15 September.
Christian feast day:
Catherine of GenoaCatherine of Genoa was an Italian saint and mystic, known for her work among the sick and the poor and remembered because of various writings describing both these actions and her mystical experiences. She was a member of the noble Fieschi family, and spent mo
Christian feast day:
James Chisholm (Episcopal Church)James Chisholm was an Episcopal priest in Portsmouth, Virginia who died of yellow fever after working to assist others stricken by an epidemic.
Christian feast day:
Saint Dominic in Soriano (formerly)
Saint Dominic in Soriano was a portrait of Saint Dominic (1170–1221) kept in the Dominican friary at Soriano Calabro in southern Italy. It is known to have been present at the friary from the early 17th century. According to legend the painting had been del
Christian feast day:
Mamilian of PalermoSaint Mamilian (Mamilianus) of Palermo, who is venerated with Nympha (Ninfa), Eustotius (Eustozio), Proculus, and Golbodeus , was a bishop of Palermo of the fifth century.
Christian feast day:
MirinSaint Mirin, also known as Mirren of Benchor, Merinus, Merryn and Meadhrán, is the patron saint of Paisley, Renfrewshire in Scotland and of the Roman Catholic diocese of Paisley, he was the founder of a religious community which grew to become Paisley Abbey. T
Christian feast day:
Nicetas the GothNicetas is a Christian martyr of the 4th century, venerated particularly in the Eastern Orthodox Church. His feastday is 15 September. Nicetas was of Gothic origin, living during the 4th century AD. His life spanned the years of Emperor Constantine the Great's- Christian feast day: NicomedesNicomedes was a martyr of unknown era, whose feast is observed 15 September. He was buried in a catacomb on the Via Nomentana near the gate of that name.
Christian feast day:
Our Lady of SorrowsOur Lady of Sorrows, Our Lady of Dolours, Our Lady of the Agony, the Sorrowful Mother or Mother of Sorrows, and Our Lady of Piety, Our Lady of the Seven Sorrows or Our Lady of the Seven Dolours are names by which Mary, mother of Jesus, is referred to in relati
Christian feast day:
September 15 (Eastern Orthodox liturgics)September 14 - Eastern Orthodox liturgical calendar - September 16
Cry of Dolores, celebrated on the eve of Independence Day (Mexico).The Cry of Dolores occurred in Dolores, Mexico, on 16 September 1810, when Roman Catholic priest Miguel Hidalgo y Costilla rang his church bell and gave the call to arms that triggered the Mexican War of Independence. The Cry of Dolores is most commonly known 
International Day of DemocracyIn 2007 the United Nations General Assembly resolved to observe 15 September as the International Day of Democracy—with the purpose of promoting and upholding the principles of democracy—and invited all member states and organizations to commemorate the day in- The beginning of German American Heritage Month, celebrated until October 15German-American Day is a holiday in the United States, observed annually on October 6 under Pub. L. 100–104, 101 Stat. 721. It celebrates German-American heritage and commemorates the founding of Germantown, Pennsylvania, in 1683.
The beginning of National Hispanic Heritage Month, celebrated until October 15 (United States)National Hispanic Heritage Month is annually observed from September 15 to October 15 in the United States for recognizing the contributions and influence of Hispanic culture to the nation's achievements, culture, and history.- World Lymphoma Awareness Day (International)World Lymphoma Awareness Day (WLAD) is held on September 15 every year and is a day dedicated to raising awareness of lymphoma, an increasingly common form of cancer. It is a global initiative hosted by the Lymphoma Coalition (LC), a non-profit network organis
Frequently asked questions
What is celebrated on September 15?
18 observances are celebrated on September 15 around the world: Battle of Britain Day (United Kingdom), Christian feast day: Joseph Abibos, Christian feast day: Alpinus (Albinus) of Lyon, Christian feast day: Aprus (Èvre) of Toul, Christian feast day: Catherine of Genoa, Christian feast day: James Chisholm (Episcopal Church). The list gathers national holidays, international days and religious or civil observances falling on this date in different countries, as recorded on Wikipedia. Some are fixed and recur on the same day every year; others depend on the local calendar. Each links to the article explaining its origin and meaning.
What happened on September 15?
57 documented historical events happened on September 15, from antiquity to the present day. The best known is this: The Ottoman conquest of Lesbos ended upon the surrender of commander Niccolò Gattilusio; the conquering Mehmed II executed 300 Italian soldiers by chopping them in half, claiming he was fulfilling a promise to "spare their heads". On the same day, in another year: American Revolutionary War: British forces made an unopposed amphibious landing at Kips Bay on Manhattan, the American defenders having fled due to artillery fire. On Almanaccolo every event is listed in chronological order, grouped by century, and links to the Wikipedia article it comes from, so you can always read further or check the source. Alongside the events you find who was born and who died on this date, and which observances are celebrated around the world.
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