The Turkish Ottoman Empire established gun control in 1911. It then proceeded to exterminate 1 and a half million Armenians from 1914 to 1917.
The Soviet Union established gun control in 1929. Subsequently, from 1928 to 1953, 60 million dissidents were imprisoned and then exterminated.
China enacted gun control laws in 1935. After the communist takeover, from 1948 to 1952, 20 million Chinese, unable to defend themselves, were murdered.
Nazi Germany fully established gun control in 1938. That helped the government to round up 13 million defenseless Jews, Gypsies, homosexuals, mentally ill and impaired human beings. Many were imprisoned in concentration camps, then destroyed.
Guatemala passed gun control laws in 1964. Then, from 1964 to 1981, 100,000 defenseless Mayan Indians were exterminated.
Uganda established gun control measures in 1970. Predictably, from 1971 to 1979, 300,000 defenseless Christians met a similar fate.
Cambodia established gun control measures in 1956. Subsequently, from 1957 to 1977, 1 million Cambodians met their deaths.
Remember that the history of so-called "Gun Control" in America is the history of racism.