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James Hamilton killed James Stewart, 1st Earl of Moray, in the first recorded assassination of a head of government using a firearm.
Related Wikipedia articles
James Hamilton (assassin)
Scottish assassin
James Hamilton of Bothwellhaugh and Woodhouselee was a Scottish supporter of Mary, Queen of Scots, who assassinated James Stewart, 1st Earl of Moray, Regent of Scotland, in January 1570. He shot Moray from the steps of his uncle Archbishop John Hamilton's house in Linlithgow.Source: Wikipedia (CC BY-SA)
James Stewart, 1st Earl of Moray
Regent for King James VI of Scotland from 1567–1570
James Stewart, 1st Earl of Moray was a member of the House of Stewart as the illegitimate son of James V of Scotland. At times a supporter of his half-sister Mary, Queen of Scots, he was the regent of Scotland for his half-nephew, the infant James VI, from 1567 until his…Source: Wikipedia (CC BY-SA)
Firearm
Gun for an individual
A firearm is any type of gun that uses an explosive charge and is designed to be readily carried and operated by an individual. The term is legally defined further in different countries.Source: Wikipedia (CC BY-SA)