Browse Historical Events by Day: What Happened on September 24th?

Vandals, Alans, and Suebi tribes cross the Rhine River into Gaul, marking the beginning of the fall of the Western Roman Empire.

The prophet Muhammad completes the Hijra ("Flight"), the migration from Mecca to Medina to escape persecution and establishing of the first Muslim community and later marking the beginning (Year 1) of the Muslim calendar. More

The Byzantine emperor Basil II defeats the Bulgarian army at the Battle of Thessalonica, leading to the subjugation of Bulgaria under Byzantine rule.

The Battle of Bannockburn takes place during the First War of Scottish Independence, resulting in a decisive victory for the Kingdom of Scotland against the Kingdom of England.

The Portuguese succession crisis is resolved when King Philip II of Spain is declared Philip I of Portugal, bringing Portugal under Spanish rule.

The Judiciary Act of 1789 is signed into law by President George Washington. Officially titled "An Act to Establish the Judicial Courts of the United States." Article III of the Constitution established a Supreme Court, but left to Congress the authority to create lower federal courts as needed. The House of Representatives passed the Judiciary Act on Sept 17, 1789 and the Senate on July 17 1789. The first session of the U.S. Supreme Court was held On February 1, 1790, in New York City’s Royal Exchange Building. More

The Southeast Asia Treaty Organization (SEATO) is established, aimed at preventing the spread of communism in the region.

The President's Commission on the Assassination of President Kennedy, known unofficially as the Warren Commission, delivers its report to President Lyndon B. Johnson. The report was made public three days later. More

Guinea-Bissau Independence day from Portugal.

The Montreal Protocol on Substances that Deplete the Ozone Layer is signed, aiming to protect the ozone layer by phasing out the production of ozone-depleting substances.