Dr. Martin Luther King, Jr.

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Don Cravens / Time Life Pictures / Getty

Arrested
Three months into the strike, 156 protesters, including King, were arrested for violating a 1921 law against "hindering" a bus. King was ordered to pay a $500 fine or serve 386 days in jail. He ended up spending two weeks in prison, a move that backfired because it called national attention to the protest.

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