House of Habsburg
The House of Habsburg was a family of dukes, kings, and monarchs that was very important in European history. It first ruled parts of Switzerland in the 13th century and then ruled Austria, later Austria-Hungary, for more than 600 years. It ruled owned Spain and the Netherlands for a while, the Holy Roman Empire from about 1280 to 1806 and the Kingdom of Sardinia until the mid-19th century.