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
Politics of Latvia have an opposite practice, requiring visas from both citizens and non-citizens of Latvia, but allowing non-citizens to travel to Russia with a cheaper visa. As a transitional clause, the Latvian law allows dual citizenship for those who were forced to leave Latvia during the Soviet or Nazi occupation and adopted another citizenship while away from Latvia. In order to be eligible for dual citizenship, they had to claim it by July 1, 1995. After that date the other citizenship must be renounced upon the acceptance of the Latvian citizenship. Latvian is the sole state language in Latvia; while the threatened