Agostinho Neto, born on this day in 1922, was an Angolan poet, revolutionary, and Marxist politician, elected President of the newly independent People's Republic of Angola in 1975.
On this day in 1849, Harriet Tubman escaped from slavery. She made more than dozen missions to rescue upwards of seventy enslaved people, including family and friends, using the resistance network known as the "Underground Railroad".
Occupy Wall Street (OWS) was a protest movement against economic inequality that began on this day in Zuccotti Park, located in New York City's Wall Street financial district, in 2011.
Image: Two protesters, both holding signs. One says "I CAN'T AFFORD LOBBYISTS", the other reads "NO MORE CORRUPTION" [occupy.com]
On this day in 1988, thousands of school teachers in the Philippines went on strike, leading to mass firings and suspensions by the government.