Walt Disney’s Mickey Mouse comic strip was published for the first time.
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Nine thousand scientists from 43 nations signed a petition to ban nuclear testing.
Avezzano earthquake claimed 30,000 lives in Italy.
Alfredo Ormando set himself on fire in St. Peter's Square, protesting against the Roman Catholic Church's teaching on homosexuality.
A meteorite that landed in Australia in the 1960s revealed stardust up to 7 billion years old.
Galileo Galilei discovered Callisto, the fourth moon of Jupiter.
