1543

• Tokugawa Ieyasu, Japanese shogun

Deaths

• February 11 - [Ahmed Gran]?, sultan of Adal.
• Nicolaus Copernicus, Polish astronomer

Events

• February 11 - [Battle of Wayna Daga]? - Ethiopian/Portuguese? troops beat Muslim army.
• Nicolaus Copernicus publishes De revolutionibus orbium coelestium