What happened to king Charles I after the war ended?

After the English Civil War ended, King Charles I was captured by Parliamentarian forces and put on trial for high treason. In January 1649, he was found guilty and subsequently executed on January 30, marking a significant moment in British history. His death led to the temporary abolition of the monarchy and the establishment of the Commonwealth under Oliver Cromwell. The monarchy was restored in 1660 with the ascension of Charles II, son of Charles I.