622: Islamic Prophet Muhammed/Abu Bakr arrives in Jathrib (Medina)

1519: Spanish expedition led by Portuguese navigator Ferdinand Magellan sets off on the 1st successful circumnavigation of the globe (Magellan killed on route)

1854: Battle of the Alma: British, French and Ottoman alliance defeat the Russian Empire in the 1st major battle of the Crimean War

1990: Both East and West Germany ratify reunification

2001: In an address to a joint session of Congress and the American people, US President George W. Bush declares a “war on terror”

2019: Students from 185 countries stage the world’s largest-ever protest on climate change culminating in Manhattan rally led by Greta Thunberg

Source: Onthisday.com