Oskars Kalpaks was the commander of 1st Latvian Independent Battalion, also known as "Kalpaks Battalion".
Kalpaks was born in a farming family. Having decided to become a soldier he completed Irkutsk military school and then commenced service with the 183rd Pultusk Infantry Regiment. He displayed talent as a commander and heroism in battle during the First World War and was awarded the most significant Russian military decorations and made Regiment Commander in 1917.
After the proclamation of Latvia's independence on 18 November 1918, Kalpaks enlisted with the Ministry of Defence. He organised the defence of Vidzeme against Bolshevik attacks. On 31 December, Kalpaks became Commander-in-Chief of all the armed units at the disposal of the Provisional Government of Latvia.
Wikipedia https://en.wikipedia.org/wiki/Oskars_Kalpaks
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