On March 7, 1965, Rep. John Lewis and Hosea Williams attempted to lead protesters in Selma over the Edmund Pettus Bridge on a 45-mile march to Montgomery.
The goal was to bring attention to Jimmie Lee Jackson who had been killed weeks earlier by a state trooper after Jackson's attempt to protect his mother during a voter registration march.
On the 51st anniversary of what came to be known as Bloody Sunday, Lewis took to Twitter to recount that moment in American history.
And then comes one last Tweet, a fitting epilogue to all those years of struggle and sacrifice...