Michael Moorer claimed the heavyweight boxing title after smashing Evander Holyfield in Paradise, Nevada, US.
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Twenty million Americans mobilized to call for greater protections for our planet. This became the world's first Earth Day.
Thieves stole $3.3 million from the First National Bank of Arizona in Tucson.
Pyotr Ilyich Tchaikovsky composed his 'Swan Lake' ballet.
The Paris Agreement was opened for signatures.
Spain and Portugal signed the Treaty of Saragossa.
