Gojira was a Japanese movie (the first Godzilla film) made on november 3rd 1954. The film spawned 29 reboots and sequels in spite of success. An American rerelease Godzilla king of the monsters came out on April 27th 1956.
in 1954 nuclear tests where done in some local japanese islands causing a prehistoric monster called Godzilla to awaken, he began terrorising a small fishing village
causing radiation to spread. Meanwhile dr. serizawa began creating a weapon called the oxygen destroyer but Godzilla came and terrorised tokyo.
after countless fatalities dr. serizawa decided to end himself and Godzilla. While Godzilla was in the ocean dr. serizawa came down and unleashed the weaonn killing himself and Godzilla.