On this day in 1974, the Carnation Revolution took place when a bloodless, anti-colonial military coup in Lisbon overthrew the Portuguese Estado Novo regime, which had been waging unpopular wars to maintain its African colonies.
Louis Allen, born on this day in 1919, was a black businessman in Liberty, Mississippi who was shot and killed on his own land after witnessing a white Mississippi state legislator murder Herbert Lee, a civil rights activist.
Manal al-Sharif, born on this day in 1979, is a women's rights activist in Saudi Arabia known for co-founding and leading the #Women2Drive movement, a direct action challenge to the ban on women driving in her country.
Image: Saudi woman and Women2Drive campaigner Manal al-Sharif sits in a car and makes the peace sign on September 27th, 2017 [abc.net.au]
On this day in 1845, the Mexican-American War began after the U.S. seized Texas from the Mexican government, fulfilling President Polk's imperialist campaign promise of annexing both Texas and California.
Ruby Doris Smith-Robinson, born on this day in 1942, was a civil rights activist who worked with the Student Nonviolent Coordinating Committee (SNCC) from its earliest days in 1960 until her early death in October 1967.