Historical events on the 3rd of November
- 361 – Emperor Constantius II dies of a fever at Mopsuestia in Cilicia, on his deathbed he is baptised and declares his cousin Julian rightful successor.
- 1534 – English Parliament passes the first Act of Supremacy, making King Henry VIII head of the Anglican Church, supplanting the pope and the Roman Catholic Church.
- 1848 – A greatly revised Dutch constitution, drafted by Johan Rudolph Thorbecke, severely limiting the powers of the Dutch monarchy, and strengthening the powers of parliament and ministers, is proclaimed.