Medgar Evers: June 12, 1963
John F. Kennedy: November 22, 1963
James Chaney, Michael Goodman, Andrew Schwerner: June 21, 1964
Malcom X: February 21, 1965
Martin Luther King Jr.: April 4, 1968
Robert F. Kennedy: June 5, 1968
Fred Hampton: December 4, 1969

Not “unprecedented”. History rhymes.