On June 6th, 1944, allied forces under the flags of Canada, the United Kingdom, and the United States landed on Juno, Sword, Gold, Utah, and Omaha beaches in Normandy in the largest landing invasion in history, paving the way for a western front to be opened in Europe during WW2.
Plus it's my birthday today, so I figured I'd ask!
I don't personally have much thoughts on D day itself but by 1944 it was pretty clear Germany was going to lose, and the Nazis needlessly killed people by forcing the war to go on until the bitter end.
Anyone who thinks that fascists have their best interests needs to have a good slap in the face. Fascist leaders will always throw their supporters under the bus as soon as they realize they can't win.