Holidays Calendar for September 11, 2025
On the first day of the month of Mäskäräm, Ethiopians and Eritreans celebrate the beginning of the new year. Ethiopian new year is called Enkutatash in the Amharic language spoken in Ethiopia. It falls on September 11 (or September 12 during leap years) in the Gregorian calendar.
On September 11, Venezuelans celebrate Our Lady of Coromoto Day. It is dedicated to the patroness of Venezuela. It is not a public holiday, but banks are typically closed on this day.
Teacher's Day is an important holiday celebrated in almost every country. However, its date varies from country to country. For example, Teachers Day in Argentina is celebrated on September 11 to commemorate Domingo Faustino Sarmiento, the seventh president of Argentina.
National Radio Day (Hari Radio Nasional), also known as the anniversary of RRI (Hari Ulang Tahun Radio Republik Indonesia), is celebrated in Indonesia on September 11. On this day, Indonesians took over radio stations operated by the Japanese Army and founded the first radio network in the country.
Battle of Tendra Day is one of the Days of Military Honor in Russia. It is observed in the Russian Armed Forces on September 11 to commemorate the naval Battle of Tendra which was fought during the Russo-Turkish War of 1787-1792.
Patriot Day is a United States national observance that honors the memory of those who were killed in the September 11 attacks. It was first observed in 2002, after the proclamation by President George W. Bush.
September 11 is observed as the death anniversary of Muhammad Ali Jinnah in Pakistan. This remembrance day honors Quaid-i-Azam (Great Leader) of Pakistan who is regarded as the father of the nation.
Emergency Number Day was proclaimed by President Ronald Reagan in 1987. This observance focuses on the United States public safety communication.
On September 11, Catalonia (an autonomous community in Spain) celebrates its national holiday. The National Day of Catalonia (Diada Nacional de Catalunya) was established to commemorate the Siege of Barcelona that took place during the War of Spanish Succession.
Pohnpei Liberation Day is an official holiday in the Micronesian state of Pohnpei. It commemorates the liberation of Pohnpei from Japanese occupation on September 11, 1945. Similar holidays are celebrated in the states of Kosrae (September 8) and Chuuk (September 23).
On September 11, Chileans commemorate the 1973 coup d'état that deposed the government of President Salvador Allende and marked the beginning of the military dictatorship that lasted for seventeen years.
Ferdinand Marcos is one of the most controversial figures in the history of the Philippines, but his birthday is still celebrated as a special non-working holiday in his home province of Ilocos Norte. Marcos Day is observed annually on September 11.
For some reason the National Hot Cross Buns Day is celebrated on September 11. It is strange because hot cross buns are typically baked and served on Good Friday.
Day of Sobriety is an unofficial Russian holiday celebrated on September 11. It was first observed in 1911 or 1914 (according to different sources) and did not gain much popularity. Then the holiday was forgotten for a long time, until activists of Russian temperance movement decided to revive it in the 21st century.
Even though kebab is originally a Middle Eastern dish, today it is a popular street food in many parts of the world, including Sweden where kebab lovers celebrate Kebab Day (Kebabens dag) on September 11 every year.
Bullying, including cyberbullying, is one of the biggest problems in schools around the globe, so it is not surprising that there are multiple awareness days that aim to end bullying once and for all. One of them is Stand Up Against Bullying Day, observed in Nova Scotia, Canada on the second Thursday of September.
R U OK? Day is a national day of action observed throughout Australia on the second Thursday of September. It encourages people to connect with others and pay attention to the people they care about in order to spot the signs that they might be struggling.
Festivals on September 11, 2025
- International Motor Show Germany (IAA Mobility / Transportation) in Munich, Germany
- Warsteiner Internationale Montgolfiade in Warstein, Germany
This Day in History
- 2023 The Libyan city of Derna experienced catastrophic floods after Storm Daniel caused two dams to collapse, killing over 11,300 people.
- 2012 Two garment factories caught fire in the cities of Karachi and Lahore in Pakistan. A total of 315 people died and over 600 were injured.
- 2009 Died: Gertrude Baines, American supercentenarian, the oldest recognized living person according to Guinness World Records at the time of her death. She died at the age of 115 years and 158 days.
- 2007 The Russian Federation conducted the test of the largest conventional (non-nuclear) weapon ever, nicknamed the Father of All Bombs.
- 2004 Died: Fred Ebb, American musical theatre lyricist who had many successful collaborations with composer John Kander. They frequently wrote for such performers as Liza Minnelli and Chita Rivera.
- 2002 Died: Kim Hunter, American actress of stage and screen who achieved prominence for portraying Stella Kowalski in the original production of Tennessee Williams' A Streetcar Named Desire.
- 2001 Two aircraft crashed into the World Trade Center in New York City, a third crashed into The Pentagon, and a fourth into a field near Shanksville, Pennsylvania in the September 11 attacks.
- 1987 Died: Peter Tosh (stage name of Winston Hubert McIntosh), Jamaican reggae musician. Along with Bob Marley and Bunny Wailer, he was one of the core members of the band the Wailers.
- 1987 Born: Tyler Hoechlin, American actor best known for his roles as Derek Hale on Teen Wolf and in its movie sequel, and as Clark Kent / Superman in Arrowverse and on Superman & Lois.
- 1985 Died: Sylvester Graham, American Presbyterian minister and dietary reformer known for his emphasis on vegetarianism, the temperance movement, and eating whole-grain bread.
- 1977 Born: Ludacris (stage name of Christopher Brian Bridges), American rapper and actor who is cited as one of the first Dirty South rappers to achieve mainstream success in the early 2000s.
- 1973 Died: Salvador Allende, Chilean socialist politician who served as the 28th president of Chile from 1970 until his death. He was found dead on the day of the military coup that ousted him.
- 1972 Died: Max Fleischer, Polish-American animator and studio owner who was a pioneer in the development of the animated cartoon and served as the head of Fleischer Studios.
- 1971 Died: Nikita Khrushchev, Soviet politician, First Secretary of the Communist Party of the Soviet Union from 1953 to 1964, and Chairman of the Council of Ministers (premier) from 1958 to 1964.
- 1970 88 hostages were released by the Dawson's Field hijackers after hijacking 4 jet aircraft on September 6. The remaining hostages (mostly Jews and citizens of Israel) were held until September 25.
- 1970 Born: Taraji P. Henson, American actress. She gained recognition for playing a prostitute in Hustle & Flow and a single mother in The Curious Case of Benjamin Button.
- 1965 Born: Moby (stage name of Richard Melville Hall), American musician, songwriter, record producer, DJ and animal rights activist. He has sold 20 million records worldwide.
- 1960 Born: Hiroshi Amano, Japanese physicist, Nobel Prize laureate for the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources.
- 1958 Born: Scott Patterson, American actor. He is known for his roles as Luke Danes in Gilmore Girls and its sequel, and as and Peter Strahm in the Saw film series.
- 1940 Born: Brian De Palma, American film director and screenwriter. With a career spanning over 50 years, he is best known for work in the suspense, crime and psychological thriller genres.
- 1939 Born: Charles Geschke, American businessman and computer scientist best known for founding the graphics and publishing software company Adobe Inc. with John Warnock.
- 1922 Hurricane Iniki struck the Hawaiian island of Kauaʻi, leaving extensive damage throughout the island. t was the most powerful hurricane to strike Hawaiʻi in recorded history.
- 1921 Nahalal, the first moshav ovdim (workers' cooperative agricultural settlement) in Mandatory Palestine, was founded by Jewish settlers from Eastern Europe.
- 1917 Born: Ferdinand Marcos, Filipino politician, dictator, and kleptocrat who served as the tenth president of the Philippines from 1965 to 1986, ruling the country under martial law from 1972 to 1981.
- 1910 Died: Louis Henri Boussenard, French author of adventure novels, better known in Eastern Europe than in Francophone countries. His best-known book is Le Capitaine Casse-Cou, set at the time of the Second Boer War.
- 1903 The first race at the Milwaukee Mile in West Allis, Wisconsin was held, making it the oldest major speedway in the world.
- 1885 Born: D. H. Lawrence, English author, literary critic, and painter. His most famous novels were the subject of censorship trials for their radical portrayals of sexuality and use of explicit language.
- 1865 Born: Jānis Pliekšāns, Latvian poet, playwright and translator, better known by his pen name Rainis. His works had a profound influence on the literary Latvian language.
- 1862 Born: O. Henry (pen name of William Sydney Porter), American writer whose short stories are known for their wit, wordplay, warm characterization, and surprise endings.
- 1852 The State of Buenos Aires seceded from the Argentine Confederation and declared itself an independent republic. It would rejoin the Confederation in 1861.
- 1823 Died: David Ricardo, British political economist, politician, and member of Parliament. He is widely recognized as one of the most influential classical economists.
- 1816 Born: Carl Zeiss, German scientific instrument maker, optician and businessman. In 1846 he founded his workshop, which is still in business as Carl Zeiss AG.
- 1792 Six men broke into the Royal Storehouse, where the French Crown Jewels were stored, and stole most of the jewels, including the Blue Diamond of the Crown of France (the Hope Diamond).