This is a timeline of events that occurred in the 1940s.
1940[]
- Hank McCoy is born.[citation needed]
1941[]
- Charles Xavier's mutant abilities start to manifest.[1]
1943[]
- Ichirō Yashida is photographed in Nagasaki.[2]
1944[]
- While imprisoned at the Auschwitz Concentration Camp, Erik Lehnsherr's mutant powers start to manifest.[3][4]
- Edie Lehnsherr is murdered in front of Erik under orders from Sebastian Shaw.[4]
- Sebastian Shaw begins experimenting on Erik.[4]
- Charles Xavier and Raven Darkholme meet each other as children in Xavier's mansion. Raven is soon adopted as Charles' foster sister.[4]
June[]
6th[]
- James Howlett and Victor Creed participate in the D-Day Invasion, serving in the U.S. 29th Infantry Division.[5]
1945[]
- James Howlett transfers from European theater to the Pacific theater. By August 9th, he is imprisoned in a Japanese POW camp near Nagasaki.[2]
August[]
9th[]
- James Howlett saves Ichirō Yashida's life during the Nagasaki bombing.[2]
1949[]
- Erik Lehnsherr visits the United States of America for the first time and sees the Statue of Liberty.[3]