Holidays Calendar for August 10, 2025
August 10 is National Day in Ecuador. This holiday celebrates the day, when Ecuador declared independence from Spain in 1809.
The first ten days of August in Managua are filled with colorful processions and other events dedicated to Saint Dominic (Santo Domingo), the city’s patron saint. August 1 and 10 (the 1st and the 10th day of the festivities) were even declared official holidays and non-working days in the capital of Nicaragua.
International Biodiesel Day is an unofficial observance held annually on August 10. It was established to commemorate the first ignition of the diesel engine that took place on this day in 1893.
World Lion Day is celebrated every year on August 10. It is a global awareness campaign that was launched to highlight the importance of lions for ecosystems and the need for their conservation.
International Vlogging Day is observed annually on August 10. It was created to celebrate video blogs and people who make them to keep others entertained and educated.
Argentine Air Force Day is celebrated annually on August 10. It commemorates the establishment of the Military Aviation School at El Palomar, Buenos Aires in 1912.
Builders' Day is a professional holiday celebrated in many former Soviet republics on the second Sunday in August. It was first celebrated in the Soviet Union on August 8, 1956.
In Bulgaria, Navy Day is celebrated on the second Sunday in August. It is the culmination of the traditional National Week of the Sea. The date of the holiday was chosen to commemorate the creation of the Bulgarian Navy in 1879.
Veterinary Workers Day is a Ukrainian professional holiday celebrated on the second Sunday in August. It was officially proclaimed by President Leonid Kuchma in 2001. The first celebration took place on August 11, 2002.
National Technology Uprising Day (Hari Kebangkitan Teknologi Nasional, also translated as National Technology Awakening Day) is celebrated in Indonesia on August 10. It commemorates the first flight of the IPTN N-250, an Indonesian aircraft developed by the IPTN (now Indonesian Aerospace).
Turkmen Melon Holiday (Turkmen Melon Day) is an official holiday in Turkmenistan celebrated on the second Sunday in July. It was established by the first President of Turkmenistan Saparmurat Niyazov in 1994.
On August 10 every year, Indonesians celebrate National Veterans Day (Hari Veteran Nasional). It is an official observance that was established in 2014 by President Susilo Bambang Yudhoyono’s decree.
Agent Orange Awareness Day is observed on August 10 to recognize the date in 1961 when the U.S. military first used Agent Orange as part of its herbicidal warfare program in Vietnam, raise awareness of the detrimental effects of Agent Orange exposure on human health, and pay tribute to those who died because of it.
On August 10, make a campfire and indulge yourself with America's favorite campfire treat as it is National S'mores Day.
National Shapewear Day is celebrated annually on August 10. It was created to combat misconceptions about modern shapewear and promote its many benefits.
Athletic Day is observed in Tajikistan annually on August 10. This holiday is celebrated by everyone who loves sports, from professional athletes and coaches to recreational athletes and people leading a healthy lifestyle.
The second Sunday in August is dedicated to children, the Very Important Persons, in Uruguay. It's Children's Day and all kids receive many toys.
Children's Day is a very popular holiday in Chile, where it's celebrated on the second Sunday in August. Although this date is widely known among the population of Chile, it's official date is different.
If you’re tired of badminton, tennis, squash and ping-pong, try pickleball! It is a fun racket sport that combines elements of several other racket sports. There’s even a National Pickleball Day, celebrated on August 8 in the United States and on the second Saturday of August in Canada.
Father's Day (Dia dos Pais) in Brazil is celebrated on the second Sunday in August. The holiday was created in the mid-1950s by publicist Sylvio Bhering.
Festivals on August 10, 2025
- Wedding Expos Australia in Sydney, Australia
- Regina Folk Festival in Regina, Canada
- World Dog Show in Helsinki, Finland
- L'International des Feux Loto-Québec (Montreal Fireworks Festival) in Montreal, Canada
This Day in History
- 2019 Died: Jeffrey Epstein, American financier and sex offender. He died in his jail cell while awaiting trial; the medical examiner ruled that his death was a suicide by hanging.
- 2019 Philip Manshaus, a 21-year-old Norwegian man, shot and killed his ethnically Chinese adopted stepsister at their home and then drove to the Al-Noor Islamic Centre mosque in Bærum and opened fire.
- 2012 Died: Carlo Rambaldi, Italian special effects artist who is primarily remembered for his work in King Kong, E.T. the Extra-Terrestrial and Alien.
- 2007 Died: Jean Rédélé, French automotive pioneer and pilot primarily remembered as the founder of the French automotive brand Alpine.
- 2003 Russian cosmonaut Yuri Malenchenko became the first person to marry in space, when he married Ekaterina Dmitrieva, who was in Texas.
- 2002 Died: Kristen Nygaard, Norwegian computer scientist and politician who is known as he co-inventor of object-oriented programming.
- 1990 The Magellan spacecraft, also referred to as the Venus Radar Mapper, reached Venus fifteen months after its launch (May 5, 1989).
- 1989 Born: Brenton Thwaites, Australian actor known for his roles as Luke Gallagher in the series SLiDE and Jonas in the film The Giver.
- 1986 Died: Alan Rouse, English mountaineer. He was the first British climber to reach the summit of the eight-thousander K2, but died on the descent.
- 1980 Died: Yahya Khan, Pakistani general, politician and statesman who served as the third President of Pakistan from 1969 to 1971.
- 1971 Born: Luca Guadagnino, Italian filmmaker known for his films I Am Love, A Bigger Splash, Call Me By Your Name, Bones and All, and Challengers.
- 1971 Born: Justin Theroux, American actor of stage and screen, director and screenwriter. He made his film debut in I Shot Andy Warhol.
- 1962 Born: Suzanne Collins, American scriptwriter and novelist best known as the author of The Underland Chronicles and The Hunger Games trilogy.
- 1960 Born: Antonio Banderas, Spanish actor and filmmaker. Known for his work in films of several genres, he has received numerous accolades, including a Cannes Film Festival Award and a Goya Award.
- 1945 Died: Robert H. Goddard, American engineer, physicist, inventor and professor who created and built the world's first liquid-fueled rocket.
- 1939 Born: Kate O'Mara, English film, stage and TV actress, and writer best known for her role as Caress Morell in the soap opera Dynasty.
- 1929 Born: Jimmy Dean, American country music singer, television host, actor and businessman who founded Jimmy Dean Foods in 1969.
- 1920 The Allied powers and the Ottoman Empire signed the Treaty of Sèvres. The treaty ultimately led to the Turkish War of Independence.
- 1918 Died: Erich Löwenhardt, the third highest German flying ace during the First World War. He died in action at the age of twenty-one.
- 1915 Died: Henry Moseley, English physicist best known for discovering and publishing Moseley's law. He was only 27 years old when he died.
- 1913 The delegates of Bulgaria, Romania, Serbia, Montenegro and Greece concluded the Treaty of Bucharest, ending the Second Balkan War.
- 1913 Born: Wolfgang Paul, German physicist who shared one-half of the 1980 Nobel Prize in Physics with American physicist Hans Georg Dehmelt.
- 1912 Born: Jorge Amado, Brazilian writer and professor. His best known works include Dona Flor and Her Two Husbands and Captains of the Sands.
- 1909 Born: Leo Fender, American inventor who founded Fender Electric Instrument Manufacturing Company, Music Man, and G&L Musical Instruments.
- 1901 The Amalgamated Association of Iron, Steel and Tin Workers began the U.S. Steel Recognition Strike, which had too little effect.
- 1896 Died: Otto Lilienthal, German pioneer of aviation who became known as the Glider King. He died of injuries sustained during a gliding flight.
- 1874 Born: Herbert Hoover, American mining engineer and politician who served as the 31st President of the United States from 1929 to 1933.
- 1864 The Uruguayan War began. It was fought between the Blanco Party and an alliance consisting of the Empire of Brazil and the Colorado Party.
- 1792 During the French revolution, the National Guard of the Insurrectional Paris Commune stormed the Tuileries Palace and overthrew King Louis XVI.
- 1784 Died: Allan Ramsay, prominent Scottish painter famous for his portraits. He painted the "lost portrait" of Charles Edward Stuart.
- 1675 The foundation stone of the Royal Greenwich Observatory was laid. The observatory was commissioned by King Charles II of England.
- 1628 The Swedish warship Vasa sunk after sailing about 1,300 meters into her maiden voyage. It was salvaged with a largely intact hull in 1961.
- 1500 Portuguese explorer Diogo Dais discovered Madagascar. He named the island São Lourenço because it was found on St. Lawrence's day.