Aug 21, 2011 · Historical events for the 21st of August. See what famous, interesting and notable events happened throughout history on August 21.

August 21 is the 233rd day of the year (234th in leap years) in the Gregorian calendar; 132 days remain until the end of the year. 959 – Eraclus becomes the 25th bishop of Liège. 1140 – Song dynasty general Yue Fei defeats an army led by Jin dynasty general Wuzhu at the Battle of Yancheng during the Jin–Song Wars.

August 21: The Mona Lisa is stolen, the 50th US State, a conservative coup is crushed and other important events, birthdays, deaths and photos from August 21st.

On August 21, 2004, American swimmer Michael Phelps wins his eighth medal of the 2004 Athens Olympics in spite of sitting out his eighth scheduled event, the final of the 4 x 100-meter medley...

Oct 12, 1999 · On August 21, Wilt Chamberlain, William IV, Sergey Brin were born and Lady Mary Wortley Montagu, Leon Trotsky, Elizabeth Báthory died.

On this day in 1911 Leonardo da Vinci 's Mona Lisa was stolen from the Louvre by three Italian handymen; it was not recovered until 1913, and the media sensation helped make it one of the world's most famous paintings. Learn more about this and 10 other notable art thefts.

Find out all about what events happened on August 21 throughout history. Did you know that on this day in 1841, the Venetian blind was patented by John Hampton? The original design has come from Venetians bringing the design from Persia to Venice.

Today in history – which major historical events happened on August 21? Who was born on this date, who died? In which year did the birth or death occur?

Thu Aug 21st, 2025 is Poet's Day, Burger Day, National Fentanyl Prevention and Awareness Day, National Spumoni Day, National Brazilian Blowout Day... and much more!

August 21 is the 233rd day in the Gregorian calendar. On this day, the Mona Lisa was stolen by a Louvre employee, Motown released it's first #1 in the U.S., and Tiger Woods won the 82nd PGA Championship. Famous birthdays include Usain Bolt, Hayden Panettiere, and Kenny Rogers.