Contract of Interest
Apr 17 Christopher Columbus signs a contract with the Spanish monarchs to find the "Indies" with the stated goal of converting people to Catholicism. This promises him 10% of all riches found, and the governorship of any lands encountered.

Christopher Columbus
Event of Interest
Apr 30 Christopher Columbus is given royal commission by Spanish monarchs Isabella I and Ferdinand II to equip his fleet to the New World

Isabella I of Castile

Christopher Columbus
- Apr 30 Spain announces it will expel all Jews