What happened on 21 july

There have been several significant events that occurred on July 21st throughout history. Here are a few:

1. 1098 - Crusades: The Crusaders conquer Ma'arrat al-Numan in Syria.
2. 1497 - Vasco da Gama sets sail from Lisbon, Portugal, on his first voyage to India.
3. 1690 - The Battle of the Boyne takes place in Ireland, marking a significant victory for the forces of King William III over those of King James II.
4. 1798 - The United States Marine Corps is re-established by an act of the United States Congress.
5. 1861 - The first major battle of the American Civil War, the First Battle of Bull Run, takes place near Manassas, Virginia.
6. 1919 - The Treaty of Versailles is signed, officially ending World War I.
7. 1944 - The United States invades Guam, which had been occupied by Japan since 1941.
8. 1969 - The Apollo 11 astronauts, Neil Armstrong and Edwin "Buzz" Aldrin, become the first humans to walk on the Moon.
9. 1980 - The United States boycotts the Summer Olympics in Moscow, Russia, in response to the Soviet Union's invasion of Afghanistan.
10. 2011 - The United States ends its combat mission in Iraq, marking the end of the Iraq War.

These are just a few of the many significant events that have occurred on July 21st throughout history.