Category:Mass murder in the 1960s 1910s1920s1930s1940s1950s1960s1970s1980s1990s2000s2010s Subcategories This category has the following 12 subcategories, out of 12 total. 0–9 Mass murder in 1960 (1 C, 2 P) Mass murder in 1961 (1 C, 5 P, 1 F) Mass murder in 1962 (1 C, 5 P) Mass murder in 1963 (1 C, 4 P) Mass murder in 1964 (2 C, 6 P) Mass murder in 1965 (7 P) Mass murder in 1966 (2 C, 4 P) Mass murder in 1967 (2 C, 9 P) Mass murder in 1968 (1 C, 3 P) Mass murder in 1969 (1 C, 7 P)M Massacres in the 1960s (14 C, 2 P)U Mass murder in the United States in the 1960s (2 C, 16 P)