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Days Until August 20th

days remaining
August 20th, 2026

Last reviewed on May 7, 2026.

About August 20th

August 20th is one of 365 days on the calendar — and like every date, it has its own mix of facts, observances, and history. August 20th is World Mosquito Day, commemorating Sir Ronald Ross's 1897 discovery that female mosquitoes transmit malaria. The countdown below shows how many days remain until the next August 20th, 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

August 20th is World Mosquito Day, commemorating Sir Ronald Ross's 1897 discovery that female mosquitoes transmit malaria

This is day 232 of the year (233 in leap years), with approximately 133 days remaining until New Year's Eve

People born on August 20th are Leo, known for their leadership qualities, creativity, and warm personalities

August 20th is celebrated as National Radio Day in the United States, honoring the invention and impact of radio communication

Notable figures born on this day include Orville Wright (1871), aviation pioneer, and Benjamin Harrison (1833), 23rd U.S. President

🎊 Traditions & Celebrations

World Mosquito Day raises awareness about malaria prevention and honors medical researchers fighting mosquito-borne diseases

National Radio Day celebrates with radio station visits, vintage radio exhibits, and appreciation for broadcasting history

August 20th is celebrated as St. Stephen's Day in Hungary, a national holiday honoring the country's first king

International Day of Medical Transporters recognizes healthcare workers who provide emergency medical transportation services

National Chocolate Pecan Pie Day celebrates this delicious Southern dessert tradition across the United States

📜 Historical Events on This Day

1975

NASA launched Viking 1 spacecraft to Mars, beginning an 11-month journey that culminated in the first successful Mars landing

1940

Winston Churchill delivered his famous speech praising the Royal Air Force: 'Never...was so much owed by so many to so few'

1960

Senegal gained full independence from the Mali Federation, establishing itself as a sovereign nation

1866

President Andrew Johnson formally declared the American Civil War over, marking the end of a devastating conflict

1882

Tchaikovsky's famous 1812 Overture debuted in Moscow, Russia, becoming one of classical music's most recognized pieces

1921

The first Miss America Pageant was held in Atlantic City, New Jersey, establishing an iconic American tradition

1858

Charles Darwin and Alfred Russel Wallace published their theory of evolution through natural selection

1940

Leon Trotsky was assassinated by a Stalinist agent in Mexico City, ending the life of a major Russian revolutionary figure

1977

NASA launched Voyager 2 spacecraft, which would go on to explore Jupiter, Saturn, Uranus, and Neptune

Why Count Down to August 20th?

Whether you're planning ahead, celebrating a tradition, or marking a personal milestone, tracking the countdown to August 20th 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