14th Amendment to the U.S. Constitution: Civil Rights (1868). Citation: The House Joint Resolution proposing the 14th amendment to the Constitution, June 16, 1866; Enrolled Acts and Resolutions of Congress, 1789-1999; General Records of the United States Government; Record Group 11; National Archives.n July 28, 1868, the 14th amendment was declared, in a certificate of the Secretary of State, ratified by the necessary 28 of the 37 States, and became part of the supreme law of the land.