1606 – Leonard Calvert was born this year. He was the son of George Calvert, 1st Baron Baltimore.
1634 – He was appointed Maryland province first governor.
1635 – He attempted to govern the country in an absolutist way but he had to summon a colonial assembly.
1638 – Calvert seized a trading post in Kent Island established by the Virginian William Claiborne.
1643 – Governor Calvert went to England to discuss policies with the proprietor.
1644 – He returned to Maryland with his wife and child, but was soon forced to flee to Virginia.
1646 – He became head of armed force and reasserted proprietarily rule.
1647 – In the summer pf this year Leonard Calvert died of an illness.