1621 events in history

Feb 9 Gregory XV becomes Pope, the last Pope elected by acclamation
Feb 17 Myles Standish is appointed as first commander of Plymouth colony
Mar 16 Samoset, a Mohegan, visited the settlers of Plymouth Colony and greets them, "Welcome, Englishmen! My name is Samoset."
Mar 22 The Pilgrims of Plymouth Colony sign a peace treaty with Massasoit of the Wampanoags
Apr 5 The Mayflower sets sail from Plymouth, Massachusetts on a return trip to England
May 24 The Protestant Union is formally dissolved
Jun 3 The Dutch West India Company receives a charter for New Netherland
Jun 21 Execution of 27 Czech noblemen on the Old Town Square in Prague as a consequence of the Battle of White Mountain