Nykyfor Hryhoriv

Otaman Nykyfor Hryhoriv
Hryhoriev in 1919
Native name	Никифор Григор'ів
Birth name	Nychypir Oleksandrovych Servetnyk
Born	(1884-02-21)21 February 1884 Dunaivtsi, Russian Empire (now Ukraine)
Died	27 July 1919(1919-07-27) (aged 35) Sentove [uk], Ukrainian People's Republic
Allegiance	Russian Empire (1904–1917)  Ukrainian People's Republic (1917–1918, 1918–1919)  Ukrainian State (1918)  Ukrainian SSR (February–May 1919) Borotbists (May–July 1919)
Service	Imperial Russian Army (1910–1917) Ukrainian People's Army (1917–1919) Ukrainian Soviet Army (February–May 1919) Peasant Division (May–July 1919)
Years of service	1904–1919
Rank	Ensign (1914) Staff Captain (1917) Lieutenant colonel (1917–1919) Division commander (1919)
Commands	56th Zhytomyr Infantry Regiment (1917) Ukrainian Kherson Division (1917–1919) 1st Trans-Dnepr Brigade (February–April 1919) 6th Ukrainian Soviet Division [ru] (April–May 1919) Peasant Division (May–July 1919)
Battles / wars	Russo-Japanese War World War I Eastern Front Ukrainian War of Independence 1919 Soviet invasion of Ukraine Southern Russia Intervention Hryhoriv Uprising

Nykyfor Oleksandrovych Hryhoriv^[a] (or Grigoryev, real surname Servetnyk; 21 February [O.S. 9 February] 1884 – 27 July 1919) was a Ukrainian military leader noted for repeatedly switching sides during the Ukrainian War of Independence and Soviet-Ukrainian war. He is today considered one of the most influential rebel leaders of the Otamanshchyna phenomenon.^[1]

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