1808 was a leap year.
January 1 — The importation of slaves into the United States is prohibited.
January 31 — Auguste Marmont declared the annexation of the Republic of Dubrovnik, thereby ceasing to exist.
February 16 — Napoleon launched an attack on Spain, which he occupied after a month and brought his brother Joseph to the Spanish throne.
March 3 — French troops under the command of Marshal Joachim Mire occupy Madrid.
July 12 — Kruščić riot
December 14 - December 15 - Main National Assembly in Belgrade
Wikipedia:Unknown date — Christian Crump first used the label
for the factorial of a number
February 18 — Jakov Zivanović, Serbian politician († 1861)
February 26 — Honoré Daumier, French graphic artist, caricaturist, painter and sculptor († 1879)
April 20 — Napoleon III Bonaparte, French politician and emperor
September 6 — Abdelkadir, Algerian insurgent († 1883)
December 29 — Andrew Johnson, 16th President of the USA
Days of Remembrance
List of dates
List of years
List of decades
List of centuries
List of the Millennium