1306 Robert the Bruce murdered his leading
political rival John Comyn in front of the high altar of Greyfriars Church in
Dumfries and sparked revolution in the Scottish Wars of Independence.
St. Scholastica's Day riot broke out in Oxford, England, where 63 scholars and
perhaps 30 locals died.
1567 Lord Darnley, the second husband of Mary, Queen of
Scots, was murdered in Edinburgh.