February - Following Strode's case — that of Member of Parliament Richard Strode imprisoned by a Stannary Court due to his attempts to introduce a bill alleviating the harsh conditions of tin miners — parliament passes an act granting MPs immunity from such prosecutions.
March - Parliament authorises a new poll tax to pay for the War of the League of Cambrai.
10 August - War of the League of Cambrai: The English fleet, commanded by Admiral Sir Edward Howard, secures victory at the Battle of Saint-Mathieu over the French-Breton fleet, though with loss of its flagship, the Regent, through explosion.