On This Day

What Happened on January 1, 1801

Day of the Week: Thursday

Historical Events

  • The dwarf planet Ceres is discovered by Italian monk Giuseppe Piazzi

Victory in BattleUnited Kingdom Forms

The Irish Parliament votes to join the Kingdom of Great Britain, forming the United Kingdom of Great Britain and Ireland
Learn More >>

The Union Jack, national flag of the United Kingdom
The Union Jack, national flag of the United Kingdom