Pete

It's one of the most famous photos in history - but what's the story behind the Black Power protest at the 1968 Olympics? The Modern Olympics have never been just about sport.

Born on this day in 1941, Jesse Jackson was one of the most important political campaigners of the 20th century. By 1970, political radicalism in the US was facing a leadership crisis. The 1960s had taken a bloody toll: , Bobby Kennedy, .

In 1831, Nat Turner led 70 rebels in an insurrection against slavery that cost him his life On this day in 1800, Nat Turner was born into slavery in Southampton County, Virginia.

He may not be as well known as other abolitionists, but David Walker led the way in the black freedom movement.

Way before Hillary Rodham Clinton, there was Victoria Woodhull... What links free love, Wall Street, and the Communist Manifesto? Or should I say: who?

Known as the 'Father of Reform', John Cartwright paved the way for the democratic campaigns of the 19th and 20th centuries... In the summer of 1819, the Manchester Patriotic Union organised a mass rally for universal manhood suffrage.

Born on 3rd September 1859, Jean Jaurès was the leader of the French Socialist Party Jean Jaurès, killed on the 31st of July, 1914, was one of the very first fatalities of the Great War.

Born on this day in 1757, Lafayette was among the most important radicals of the 18th Century Marie-Joseph Paul Yves Roch Gilbert du Motier, the Marquis de La Fayette.

Killed on this day in 1922, Michael Collins was a revolutionary like no other In its overlong history, the British Empire was challenged by many rebels from all over the world. But none of them was quite like Michael Collins (1890-1922).

Killed on this day in 1936, Lorca remains one of the most important radical writers in history “As I have not worried to be born, I do not worry to die.” These were the prophetic words of Federico García Lorca, the Spanish poet and playwright who was assassinated on this day in 1936 by far-right thugs near Granada.