1934 Latvian coup d'état

The 1934 Latvian coup d'état (Latvian: 1934. gada 15. maija apvērsums) known in Latvia also as the 15 May Coup (15. maija apvērsums) or Ulmanis' Coup (Ulmaņa apvērsums), was a self-coup by the veteran Prime Minister Kārlis Ulmanis against the parliamentary system in Latvia. His regime lasted until the Soviet occupation of Latvia in 1940.