April 21 is the 111th day of the year (112th in leap years) in the Gregorian calendar; 254 days remain until the end of the year. 753 BC – Romulus founds Rome (traditional date). 43 BC – Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed.

April 21st is the 111th day in the Gregorian calendar; it marks the anniversary of the Lisbon Massacre coming to an end and the opening of the Seattle World’s Fair. Famous April 21st birthdays include Tony Danza, Andie MacDowell, Glen Hansard, and Rob Riggle.

Apr 21, 2025 · Historical events for the 21st of April. See what famous, interesting and notable events happened throughout history on April 21.

Apr 21, 2025 · Rome is founded, Babur establishes the Mughal Empire, the Red Baron is shot down and other historical events, birthdays and deaths from April 21.

Discover what happened on April 21 with HISTORY’s summaries of major events, anniversaries, famous births and notable deaths.

French President Jacques Chirac faced a reelection challenge on this day in 2002 from extremist Jean-Marie Le Pen in the first round of presidential voting but two weeks later handily defeated him to win a second term.

Did you know that April 21 is known as Kindergarten Day? Here you'll learn some interesting facts & events that happened on this day throughout history.

On April 21, 1980, Rosie Ruiz finished first in the women’s division of the Boston Marathon with a time of 2:31:56, only to be disqualified eight days later when officials discovered she had jumped into the race just before the finish, creating one of sports’ most famous cheating scandals.

Jun 20, 2023 · On April 21st, historical events like the tragic death of the Red Baron and the inauguration of Brasília, Brazil’s new capital, took place. This date also saw the birth of notable figures like Queen Elizabeth II and Iggy Pop, shaping the course of history and culture.

Apr 22, 2014 · April 21 Holidays and Observances, Birthdays, Deaths, Events, This Day in History, Recipe of the Day, Song of the Day, Quote and Word of the Day, and more!