January 8 – The General Maritime Treaty of 1820 is signed between the sheikhs of Abu Dhabi, Sharjah, Ajman, Umm al-Quwain and Ras Al Khaimah (later constituents of the Trucial States) in the Arabian …

Historical events from year 1820. Learn about 31 famous, scandalous and important events that happened in 1820 or search by date or keyword.

Discover what happened in this year with HISTORY’s summaries of major events, anniversaries, famous births and notable deaths. On January 17, 1820, Anne Brontë, the youngest of the six Brontë...

Jul 2, 2025 · This article provides an in-depth analysis of the key events of 1820 and their long-term consequences.

The census of 1820 now includes 9,638,453 people living in the United States, 33% more than in 1810. The most populated state is New York, with 1,372,812 residents.

What happened in the year 1820 in history? Famous historical events that shook and changed the world. Discover events in 1820.

The year 1820 marked a pivotal moment in American history as it saw the introduction of the Missouri Compromise, which aimed to address the growing tensions between free and slave states.