The climate change rally led by activist Greta Thunberg saw millions of protesters worldwide standing up for urgent action.
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Maryland passed its first anti-amalgamation law.
The first Whole Foods store opened in Austin, Texas, US.
Britain and France defeated Russia during the Battle of Alma, which was the first battle of the Crimean War.
Neversoft's Tony Hawk's Pro Skater 2 was released for the PlayStation.
Spanish navigator Ferdinand Magellan and crew set off aboard the Victoria on their adventure around the globe.