Fact 1: The 258th Day of the Year
September 15 stands as the 258th day for non-leap years, which means it’s also the date marking the 107 remaining days of the year.
Fact 2: Historically Significant Independence Day
Many Central American countries celebrate their independence on September 15th including Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua. They all gained independence from Spanish rule on this date in 1821.
Fact 3: International Day of Democracy
The United Nations recognizes September 15 as the International Day of Democracy, promoting and upholding the principles of democracy worldwide.
Fact 4: Battle of Britain Day
In the United Kingdom, September 15 is recognized as Battle of Britain Day. This is the day in 1940 when the RAF defeated the German Luftwaffe, marking a crucial turning point in the Second World War.
Fact 5: Birth of Agatha Christie
Famous English author Agatha Christie was born on this date in 1890. Known for detective novels featuring characters like Hercule Poirot and Miss Marple, Christie is considered one of the best-selling authors of all time.
Fact 6: The Debut of “Lone Ranger”
The first-ever Lone Ranger radio show was broadcast on September 15, 1933. The masked cowboy and his Native American sidekick, Tonto, would go on to become icons in American pop culture.
Fact 7: A Day for Hat Lovers
September 15th is officially marked as Felt Hat Day. A shout-out to a bygone era, it was once considered uncouth for men to be seen in public without a hat. On this day, people are encouraged to wear a felt hat in homage to this tradition.
Fact 8: Famous People Are Born
Apart from Agatha Christie, several other famous personalities celebrate their birthdate on September 15 including Prince Harry, Tommy Lee Jones, and Oliver Stone.
Fact 9: Greenpeace was Founded
On September 15, 1971, the environmental organization, Greenpeace, was founded. They aim to "ensure the ability of the Earth to nurture life in all its diversity.”
Fact 10: Software Freedom Day
When it comes to the internet, September 15 is recognized worldwide as Software Freedom Day. Since 2004, this day has been dedicated to educating the global public about the benefits of using high quality FOSS (Free and Open Source Software) in education, government, home, and business.
Fact 11: National Online Learning Day
Recognized initially in 2016, National Online Learning Day on September 15 features people’s accomplishments in online learning and acknowledges the universe of opportunities it offers.
Fact 12: Germany's Black Day
September 15, 1935, marked a dark day in world history. Known as the Nuremberg Decrees, the anti-Semitic laws against Jews were publicized in Nazi Germany on this date.
Fact 13: Start of the 1978 Camp David Accords
On September 15, 1978, the Camp David Accords, a precursor to the Egypt-Israel Peace Treaty, started. The 12-day secret negotiations were held at Camp David and led by the United States President, Jimmy Carter.
Fact 14: Debut of Country Music in America
The first-known commercial country music recordings happened on this date in 1923, marking a new era in American music history.
Fact 15: Joining of Bill Gates and Harvard University
In 1973, Bill Gates, who would go on to co-found Microsoft, enrolled at Harvard University. He would later drop out to start his company.
Fact 16: 'Lego Batman' sets Guinness World Record
On September 15, 2014, 'The Lego Batman Movie' set the record for the most people dressed as Batman at a single event, with 542 participants!
Fact 17: The Release of Nirvana’s “Nevermind” Album
Alternative rock band Nirvana released their legendary album “Nevermind” on September 15, 1991. The album included the groundbreaking hit, "Smells Like Teen Spirit."
Fact 18: Montreal Protocol
In a landmark environmental decision, 46 countries signed the Montreal Protocol on September 15, 1987, agreeing to phase out the production of substances responsible for ozone depletion.
Fact 19: Nintendo Company Founded
Originally established as a playing card company on September 15, 1889, Nintendo would later shift its focus to video games becoming one of the largest and most influential video gaming companies.
Fact 20: First Trolley Bus Service Launched
On September 15, 1937, the first trolley bus service in Leeds, England was launched. This new mode of transport was considered revolutionary for its time, running on overhead electric wires unlike traditional buses.