Latvia parts of the Russian Empire, which may have been influenced by the Protestant religion of the inhabitants. World War I devastated the territory of what became the state of Latvia, and other western parts of the Russian Empire. Demands for self-determination were initially confined to autonomy, until a power vacuum was created by the Russian Revolution in 1917, followed by the Treaty of Brest-Litovsk between Russia and Germany in March 1918, then the Allied armistice with Germany on 11 November 1918. On 18 November 1918, in Riga, the People's Council of Latvia proclaimed the independence of the new country, with
Museum of the Occupation of Latvia after Paulis Lazda, a History Professor at the University of Wisconsin–Eau Claire, proposed the idea to the Ministry of Culture of the Republic of Latvia to create a museum covering the occupation period of Latvia, from 1940-1991. This led to the establishment of the Occupation Museum Foundation (OMF), now the Occupation Museum Association (OMB), in spring 1993. The OMF was made of 11 people who aimed to establish, administer and finance the museum. The first exhibition of the museum opened on 1 July 1993. The exhibition covered the period of the first Soviet occupation of Latvia from 1940 to 1941.