SMS Posen

Survived

Type	Dreadnought battleship
Class	Nassau
War	First World War
Main guns	12 × 28 cm (11 in) SK L/45 guns

Fought Slava in the Gulf of Riga in 1915, and at Jutland.

SMS Posen (German battleship, 1908-1922) Caption: Photographed by Arthur Renard of Kiel, in a photograph received by U.S. Naval Intelligence on 17 May 1911, not long after the ship entered active service on 31 May 1910. Photo: Arthur Renard, Public domain · Wikimedia Commons

Armament and specifications

Armament

12 × 28 cm (11 in) SK L/45 guns
12 × 15 cm (5.9 in) SK L/45 guns
16 × 8.8 cm (3.5 in) SK L/45 guns
6 × 45 cm (17.7 in) torpedo tubes

Armour

Belt: 300 mm (11.8 in)
Turrets: 280 mm (11 in)
Deck: 80 mm (3.1 in)
Conning Tower: 400 mm (15.7 in)

Builder	Germaniawerft, Kiel
Laid down	11 June 1907
Launched	12 December 1908
Commissioned	31 May 1910
Displacement	Normal: 18,873 t (18,575 long tons) Full load: 21,000 t (21,000 long tons)
Length	146.1 m (479 ft 4 in)
Speed	Designed: 19 knots (35 km/h; 22 mph) Maximum: 20 knots (37 km/h; 23 mph)
Complement	40 officers 968 men

As built, from the ship's Wikipedia article. Figures there may cover later refits too.

Career

Launched

12 December 1908

Battle of the Gulf of Riga

Survived

8–20 August 1915

Battle of Jutland

Survived

31 May – 1 June 1916

Fate

Survived

Ceded to Great Britain 1920. Scrapped 1922