DC Generation 1: Dawn of The Heroic Age – 25 Year Time Window
25 Year Time Compression
1938 Year 1 (G1 – Y1) Krypton explodes. Rocket crashes in Smallville. Wonder Woman debuts, Steve Trevor crashes on Themescyria. Ma Kent (25) Pa Kent (25).
1939 Year 2 (G1 – Y2) Jay Garrick debuts as The Flash. Alan Scott debuts as the Green Lantern. Zatara debuts as a stage magician. Dan Garrett debuts as Blue Beetle. Blackhawk assembles Crew. Jay (25) Alan (25) Zatara (26) Garrett (27)
1940 Year 3 (G1 – Y3) JSA. Wonder Woman joins JSA. Jay joins JSA. Alan joins JSA.
Dinah Drake debuts as Black Canary. Dinah (21).
1941 Year 4 (G1 – Y4) Sgt Rock & Easy Company enter European theater
1942 Year 5 (G1 – Y5) Freedom Fighters, All-Star Squadron JSA Enters World War 2. Freedom Fighters debut. All-Star Squadron forms.
1943 Year 6 (G1 – Y6) Thomas and Martha Wayne marry. Bruce Wayne born. Priscilla Rich – Cheetah debuts. Zatanna born. Newsboy Legion joins the war effort at home. Zatara (30)
1944 Year 7 (G1 – Y7) Haunted Tank debuts
1945 Year 8 (G1 – Y8) Wonder Woman retreats to Themysicira following the atomic bomb drop. Freedom Fighters disband.
1949 Year 12 (G1 – Y12) Dinah Lance born.