1945 in Wales

Incumbents

March 7 - The German submarine U-1302 is sunk off St David's Head.
March 10 - Sixty-seven German prisoners-of-war tunnel to freedom from Camp 198 in Bridgend --the biggest escape attempt by German P.O.W.s in the UK during the Second World War.
April 30 - The German submarines U-242 and U-325 are sunk off the Skerries.
May 15 - At the Neath by-election, a Trotskyist candidate contests the constituency, the first time in any UK election.
July 5 - for the last time in a UK General Election, a candidate in Wales is elected unopposed - Will John, Labour MP for Rhondda West.
October 8 - Rudolf Hess is flown to Nuremberg to stand trial, ending his three-year internment at Maindiff Court Military Hospital, Abergavenny.
Closure of the Benallt manganese mine, near Aberdaron.
Clement Davies becomes leader of the Liberal Party.

Ray Milland wins an Academy Award for Best Actor for his role in The Lost Weekend.

Football - The first post-war match between Wales and England ends in a 1 - 0 victory for Wales.

January 11 - Caradoc Evans, author
March 26 - David Lloyd George, politician
November 15 - John Lloyd Williams, botanist
date unknown
- Sir Thomas Lewis, cardiologist
- Edward Prosser Rhys, journalist and poet
- Sir William Thomas, industrialist (Trethomas)