The Battle of Austerlitz took place in the same year as which of these clashes?

The Battle of Trafalgar (21 October 1805) was a naval engagement fought by the British Royal Navy against the combined fleets of the French and Spanish Navies, during the War of the Third Coalition of the Napoleonic Wars. Twenty-seven British ships of the line led by Admiral Lord Nelson aboard HMS Victory defeated thirty-three French and Spanish ships of the line under the French Admiral Villeneuve in the Atlantic Ocean off the southwest coast of Spain, just west of Cape Trafalgar, near the town of Los Caños de Meca.

The Battle of Hastings was fought on 14 October 1066 between the Norman-French army of William, the Duke of Normandy, and an English army under the Anglo-Saxon King Harold Godwinson.

The Battle of Agincourt was a battle of the Hundred Years' War that resulted in an English victory. The battle took place on 25 October 1415.

The Battle of Waterloo was fought on Sunday, 18 June 1815, near Waterloo in present-day Belgium, then part of the United Kingdom of the Netherlands.