ORP Warszawa (1920)

Until 1937: 180&nbsp;hp (130&nbsp;kW)
After 1938: 200&nbsp;hp (150&nbsp;kW)

	River monitors Pińsk (left), Warszawa (centre) and Toruń (right), with the command vessel Generał Sikorski (extreme right)
History
Poland
Name	ORP Warszawa
Namesake	Warsaw
Builder	Gdansk Shipyard
Launched	30 April 1920
Commissioned	13 August 1920
Fate	Scuttled 18 September 1939
Soviet Union
Name	Vitebsk (Витебск)
Namesake	Vitebsk
Acquired	Raised in October 1939
Fate	Scuttled 18 September 1941; Raised in 1944 and scrapped;
General characteristics
Displacement	110 - 112½ tons
Length	34.5 m (113.2 ft)
Beam	5.5 m (18.0 ft)
Draught	0.8 m (2.6 ft)
Installed power	Until 1937: 180 hp (130 kW); After 1938: 200 hp (150 kW);
Propulsion	Until 1937:; 3 × Maybach 4-cylinder internal combustion engines; After 1938:; 2 × Glennifer 6-cylinder internal combustion engines;
Speed	8.6 kn (16 km/h)
Complement	44
Armament	1920 - 1930; 2 × 105 mm/47 guns; 1 x 100 mm/19 howitzer; 5 × 7.92 mm machine guns; 1930 - 1939; 2 × 75 mm howitzers; 5 × 7.92 mm machine guns; 1939 - 1941 (Soviet service); 3 × 76.2 mm guns; 4 × 7.62 mm machine guns;
Armour	Bulwarks - 5 mm (0.2 in); Deck - 6 mm (0.2 in); Bridge - 8 mm (0.3 in);

ORP Warszawa was an armed river monitor of the Riverine Flotilla of the Polish Navy, launched in 1920 and scuttled in 1939. She was raised by the Soviets, scuttled again in 1941, raised for the last time in 1944 and then scrapped.