Carlos I (; English:
Charles I)
the Diplomat (also known as
the Martyr; ; 28 September 1863 – 1 February 1908) was the
King of Portugal and the Algarves. He was the first Portuguese king to die a violent death since
Sebastian of Portugal (1578). This occurred in 1908, when Carlos was murdered in Lisbon as he travelled in an open carriage with the royal family.