March 20, 1883 – Jan. E. Matzeliger patented shoe-making machine. March 20, 1912 – Carter G. Woodson received doctorate from Harvard University. 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 the lawn sprinkler. March 23, 1873 – […]
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