Days Until September 12th
About September 12th
September 12th is one of 365 days on the calendar — and like every date, it has its own mix of facts, observances, and history. The Battle of Marathon occurred on September 12, 490 BC, when Greeks defeated the first Persian invasion. The countdown below shows how many days remain until the next September 12th, with notes on what the date is known for, the traditions associated with it, and notable events that have happened on this day.
📚 Interesting Facts
The Battle of Marathon occurred on September 12, 490 BC, when Greeks defeated the first Persian invasion
President JFK delivered his famous 'We choose to go to the Moon' speech on this date in 1962
Dr. Mae Jemison became the first African American woman in space on September 12, 1992
The Soviet Union's Luna 2 became the first space probe to reach the Moon in 1959
Switzerland became a federal state with a new constitution on September 12, 1848
🎊 Traditions & Celebrations
National Day of Encouragement celebrates uplifting others with positive words and actions
Chocolate Milkshake Day honors the beloved blended beverage enjoyed worldwide
Video Games Day celebrates the gaming industry and interactive entertainment culture
International Programmers' Day recognizes software developers' contributions to technology
Defenders' Day is observed in Maryland honoring the Battle of North Point during the War of 1812
📜 Historical Events on This Day
The Battle of Marathon: Athenians and Plataeans defeated the first Persian invasion of Greece
Henry Hudson discovered the Hudson River while exploring the coast of present-day New York
European armies defeated the Ottoman Empire at the Battle of Vienna during the Austro-Ottoman War
Switzerland adopted a new constitution, establishing itself as a federal state
Four teenage boys discovered the Lascaux cave paintings in Montignac, France
The Soviet Union's Luna 2 became the first spacecraft to reach the Moon's surface
President John F. Kennedy delivered his 'We choose to go to the Moon' speech at Rice University
The Monkees television sitcom debuted on NBC, launching the pop-rock group to stardom
Dr. Mae Jemison became the first African American woman to travel to space aboard the Endeavour
Apple unveiled the Apple Watch and iPhone 6, marking major product launches
Why Count Down to September 12th?
Whether you're planning ahead, celebrating a tradition, or marking a personal milestone, tracking the countdown to September 12th helps you prepare and build anticipation. Use CountDay.org to:
- Never miss important dates and plan accordingly
- Build excitement as the day approaches
- Share the countdown with friends and family
- Set reminders and prepare for celebrations
- Track multiple countdowns in one convenient place