1945

In the real world

 * On August 6, 1945, the atomic bomb Little Boy was dropped on Hiroshima, Japan, leading to the deaths of up to 166,000 people.

In the Kaiju Multiverse

 * Ishiro Serizawa and his father survive the atomic bombing of Hiroshima, encountering a newly-awoken Shinomura that flies away. Godzilla lurked in the waters just outside. Ishiro's father leaves him with his grandparents in Kyoto and goes with the Japanese Navy. ([[Godzilla: Awakening])