In the real world
- Godzilla, King of the Monsters! is released on April 27 in the United States.
- Rodan is released on December 26 in Japan.
- Yoshiko Tanaka was born. She would later appear in Godzilla vs. Biollante, Godzilla vs. Mothra and Assault! Human.
- Soviet film Ilya Muromets which introduced Zmey Gorynych, Toho's King Ghidorah's inspiration source, is released.
In the Kaiju Multiverse
- A mining town in Japan is besieged by giant insects called Meganulon that butcher the miners. However, the mine soon yields two more monsters: giant pteranodons called Rodan, who eat all the Meganulon and fly around the world at supersonic speeds. The two creatures then land in Japan and attack. The J.S.D.F. initiates an attack against the Rodans by causing an eruption of Mt. Aso. One of the Rodans falls into the lava and it's mate soon joins it, and the two creatures die together. (Rodan)
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