Charles I, King /ˌtʃɑːlz ðə ˈfɜːst $ ˌtʃɑːrlz ðə ˈfɜːrst/ BrE AmE
(1600–49) the king of England, Scotland, and Ireland from 1625 to 1649. He often disagreed with Parliament and made many unpopular political decisions, and so helped to cause the English ↑ civil War. As a result he was executed (↑ execute ) in 1649.