March 21, 1965 – Dr. Martin Luther King, Jr., led march from Selma to Montgomery, AL, for voting rights.
March 22, 1898 – J.W. Smith patented lawn sprinkler.
March 23, 1873 – Slavery abolished in Puerto Rico.
March 24, 1837 – Canada gives African American citizens the right to vote.
March 25, 1843 – Explorer Jacob Dodson set out in search of the Northwest Passage.
March 26, 1872 – Thomas J. Martin patented fire extinguisher.
March 26, 1911 – William H. Lewis became U.S. assistant attorney general.
March 27, 1930 – Of the 116,000 African Americans in professional positions, more than two-thirds were teachers or ministers.
