Emperor Charlemagne retakes present-day Andorra from the Moors and is said to have granted a charter to the Andorran people in return for their fighting the Moors.
A conflict between a French heir and a Spanish bishop is resolved in a treaty under which Andorra adopts joint allegiance with both a French and Spanish prince.
Andorra signs a customs union with the European Union.
The first ever constitution is ratified in a referendum. The powers of the two princes are reduced, and new executive, legislative, and judicial branches are established. Andorra also joins the United Nations.
A cooperation agreement with EU becomes effective.
Andorra changes its banking rules to help other countries pursue tax evaders and money launderers.
Under pressure from the EU to fight tax evasion in the country, the government establishes an income tax for the first time.