April 21 facts for kids

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.

April 21st is a day filled with many important events throughout history, from the founding of ancient cities to major scientific discoveries and the births of famous people. Let's explore some of the key moments that happened on this date.

Events

Early History (Before 1600)

• 753 BC – According to old stories, Romulus founded the famous city of Rome.
• 43 BC – A big battle called the Battle of Mutina took place. In this fight, Mark Antony was defeated by Aulus Hirtius. Antony couldn't capture the city of Mutina.
• 900 – The Laguna Copperplate Inscription, the oldest known written document from what is now the Philippines, was created. It recorded an important event where a leader in the Kingdom of Tondo officially forgave a man named Namwaran and his family from all their debts.
• 1092 – The church area of Diocese of Pisa was made into a more important one, an archdiocese, by Pope Urban II.
• 1506 – A very sad three-day event in Lisbon ended. During this time, many people, mostly those believed to be Jewish, were killed by Portuguese Catholics.
• 1509 – Henry VIII became the King of England after his father, Henry VII, passed away.

Later History (1601–1900)

• 1615 – The Wignacourt Aqueduct, a system to carry water, was officially opened in