It’s been debunked.
“Its been debunked.”
By whom? If you would be so kind as to provide a lead, I will research it. His niece claims he was Republican, as does the website: nationalblackrepublicans.com ...
“Dr. Martin Luther King, Jr. Was A Republican
During the civil rights era of the 1960’s, Dr. Martin Luther King, Jr. fought to stop Democrats from denying civil rights to blacks. It should come as no surprise that Dr. Martin Luther King, Jr. was a Republican as has been affirmed by his niece, Dr. Alveda C. King.
Dr. Martin Luther King, Jr. would not have joined the Democratic Party, the party of the Ku Klux Klan and segregation.
Dr. King fought against Democrat Public Safety Commissioner Eugene “Bull” Connor in Birmingham who let loose vicious dogs and turned skin-burning fire hoses on black civil rights demonstrators.
Democrat Georgia Governor Lester Maddox famously brandished ax handles to prevent blacks from patronizing his restaurant. Democrat Alabama Governor George Wallace blocked the entrance of two black students at the University of Alabama in 1963 and thundered, “Segregation now, segregation tomorrow, segregation forever. All of these racist Democrats remained Democrats until the day they died. In fact, racist Democrats declared that they would rather vote for a yellow dog than a Republican because the Republican Party was know as the party for blacks.