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
Religion in Latvia with 17.3%. Latvia was one of the last regions in Europe to be Christianized. The inhabitants of the region that is now Latvia once practiced Finnic paganism and Baltic mythology, but this practice gradually diminished through the course of the centuries. In the 12th to 13th centuries Latvia first fell under the influence of the Catholic Church, as the Christian kings of Denmark, Sweden and the North German Livonian and Teutonic military orders fought for influence in the region in what later became known as the Northern Crusades. Parts of Eastern Latvia (notably the Koknese and Jersika principalities) shortly came