1945 was a common year (non-leap year) which began on Monday.
Events of that year which are mentioned in the Vincentian Encyclopedia include:
19 February Fr Pampliega CM is one of about a hundred people killed by a grenade at the Governor's Palace in Manila, Philippines.
22 March: Seven Daughters of Charity from Province of Cologne die in bombardment in Hildeshein
15 April: Nine priests and five brothers of the Congregation of the Mission were liberated from Bergen Behlsen concentration camp; see VincentWiki:Ephemerides/29 March