Wikimedia Commons has media related to 1821. 1821 (MDCCCXXI) was a common year starting on Monday of the Gregorian calendar and a common year starting...

Events from the year 1821 in Canada. Monarch: George IV Parliament of Lower Canada: 11th Parliament of Upper Canada: 8th Governor of the Canadas: Robert...

The following lists events that happened during 1821 in Australia. Monarch - George IV Governors of the Australian colonies: Governor of New South Wales-...

Greek Revolution of 1821, was a successful war of independence by Greek revolutionaries against the Ottoman Empire between 1821 and 1829. In 1826, the...

during 1820 or before March 4, 1821; ordered by election date. In these general elections, the winner was seated on March 4, 1821; ordered by state. All of...

(1204–1453) Timeline of Eastern Orthodoxy in Greece (1453–1821) Timeline of Eastern Orthodoxy in Greece (1821–1924) Timeline of Eastern Orthodoxy in Greece (1924–1974)...

The Ottoman–Persian War of 1821–1823 was fought between the Ottoman Empire and Qajar Iran from 1821 to 1823. Tensions between the two empires had been...

This is the order of battle for the Battle of Carabobo in 1821 in the Venezuelan War of Independence during the Spanish American wars of independence....

This article is about music-related events in 1821. Construction work begins on the Teatro Regio at Parma. José Bernardo Alcedo wins a contest, sponsored...

The year 1821 in science and technology involved some significant events, listed below. Johann Franz Encke calculates that Comet Encke has a periodic orbit...