fter the Polish led the January Uprising in 1863: this spread to the rest of what is now Latvia by the 1880s. The Young Latvians were largely eclipsed by the New Current, a broad leftist social and political movement, in the 1890s. Popular discontent exploded in the 1905 Russian Revolution, which took a nationalist character in the Baltic provinces.
Declaration of Independence
World War I devastated the territory of what would become the state of Latvia, along with other western parts of the Russian Empire. Demands for self-determination were at first confined to autonomy, but the Russian 1917 Revolution, treaty with Germany at Brest-Litovsk, and allied armistice with Germany on November 11, 1918, created a power vacuum. The People's Council of Latvia proclaimed the independence of the new country in Riga on November 18, 1918, with Kārlis Ulmanis becoming the head of the provisional government.
The War of Independence that followed was part of a general chaotic period of civil and new border wars in Eastern Europe. By the spring of 1919, there were actually three governments — Ulmanis' government; the Latvian Soviet government led by Pēteris Stučka, whose forces, supported by the Red Army, occupied almost all of the country; and the Baltic German government of the United Baltic Duchy, headed by Andrievs Niedra and supported by the Baltische Landeswehr and the German Freikorps unit Iron Division.
Estonian and Latvian forces defeated the Germans at the Battle of Wenden in June 1919, and a massive attack by a predominantly German force — the West Russian Volunteer Army — under Pavel Bermondt-Avalov was repelled in November. Eastern Latvia was cleared of Red Army forces by Latvian and Polish troops in early 1920 (from the Polish perspective the Battle of Daugavpils was a part of the Polish-Soviet War).
A freely elected Constituent assembly convened on May 1, 1920, and adopted a liberal constitution, the Satversme, in
