Russian cruiser Bayan (1907)

A postcard of Bayan at sea
History
Russian Empire
Name	Bayan
Namesake	Boyan
Builder	Admiralty Shipyard, Saint Petersburg, Russia
Laid down	15 August 1905[Note 1]
Launched	15 August 1907
Completed	13 December 1911
Fate	Sold for scrap, 1922
General characteristics
Class and type	Bayan-class armored cruiser
Displacement	7,750 long tons (7,874 t) standard
Length	449.6 ft (137.0 m)
Beam	57 ft 6 in (17.5 m)
Draught	22 ft (6.7 m)
Installed power	16,500 ihp (12,300 kW) 26 Belleville boilers
Propulsion	2 shafts 2 VTE steam engines
Speed	21 knots (39 km/h; 24 mph)
Complement	568
Armament	2 × 1 - 203 mm (8 in) guns 8 × 1 - 152 mm (6 in) guns 22 × 1 - 75 mm (3.0 in) guns 2 × 450 mm (18 in) torpedo tubes
Armour	Krupp armor Waterline belt: 90–175 mm (3.5–6.9 in) Deck: 50 mm (2.0 in) Gun turrets: 132 mm (5.2 in) Casemates: 60 mm (2.4 in) Conning tower: 136 mm (5.4 in)

Bayan (Russian: Баянъ) was the third of the four Bayan-class armoured cruisers built for the Imperial Russian Navy in the early 1900s. The ship was assigned to the Baltic Fleet. She was modified to lay mines shortly after World War I began. Bayan laid mines herself and provided cover for other ships laying minefields. The ship fought several inconclusive battles with German ships during the war, including the Battle of Åland Islands in mid-1915. She also participated in the Battle of Moon Sound during the German invasion of the Estonian islands in late 1917, where she was damaged. Bayan was decommissioned in 1918 and sold for scrap in 1922.
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