<Tr> <Th> Succeeded by </Th> <Td> Ralph Abernathy </Td> </Tr> <Tr> <Th_colspan="2"> Personal details </Th> </Tr> <Tr> <Th> </Th> <Td> Michael King Jr . (1929 - 01 - 15) January 15, 1929 Atlanta, Georgia, U.S. </Td> </Tr> <Tr> <Th> </Th> <Td> April 4, 1968 (1968 - 04 - 04) (aged 39) Memphis, Tennessee, U.S. </Td> </Tr>

When did martin luther king jr give the i have a dream speech