May Day, also known as "Lily of the Valley Day" in France, is a day when people exchange lilies of the valley with friends and family to symbolize good luck.
(Note: The tradition of giving lilies of the valley on May Day in France began in 1561, when King Charles IX of France received a lily of the valley as a symbol of good luck, and this tradition became popular in France from then on.)
Holidays were a mere fantasy for soldiers during the wartime.
During the war, all holidays were irrelevant to the soldiers; instead of rest, they would face more intense and brutal combat missions.
This was a fallout from the "Christmas Truce Incident."
After that, the high commands of both sides worried that a similar scene would recur during holidays, thus they deliberately launched intense bombardments or attacks to keep the soldiers "motivated" and harboring hatred for each other!
The 105th Infantry Regiment was fortunate enough to be in Paris.