James Stewart, 1st Earl of Moray, regent for the infant King James VI of Scotland, is assassinated by firearm, the first recorded instance of such.

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 assassination in 1570. He was the first head of government to be assassinated with a firearm.

In a monarchy, a regent is a person appointed to execute the office of the monarch temporarily. Regencies may arise for a number of reasons, including the monarch being a minor, ill, absent from the country, or otherwise unavailable. A regent may also be appointed in cases where the throne is vacant, or the identity of the legitimate monarch is disputed.

James VI and I was King of Scotland as James VI from 24 July 1567 and King of England and Ireland as James I from the union of the Scottish and English crowns on 24 March 1603 until his death in 1625. Though he long attempted to get both countries to adopt a closer political union, the kingdoms of Scotland and England remained sovereign states, with their own parliaments, judiciaries, and laws, ruled by James in personal union.

January 23 is the 23rd day of the year in the Gregorian calendar; 342 days remain until the end of the year.