SMS Oldenburg

Survived

Type	Dreadnought battleship
Class	Helgoland
War	First World War
Main guns	12 × 30.5 cm (12 in) guns

Fought at Jutland.

A recognition drawing of the German battleship Helgoland prepared by the Royal Navy's Intelligence department that was distributed to the fleet in 1918. The printing plates were also given to the United States Navy and also published in the US in 1918. Photo: British Naval Intelligence, Public domain · Wikimedia Commons

Armament and specifications

Armament

12 × 30.5 cm (12 in) guns
14 × 15 cm (5.9 in) guns
14 × 8.8 cm (3.5 in) guns
6 × 50 cm (20 in) torpedo tubes

Armour

Belt: 300 mm (11.8 in)
Turrets: 300 mm (11.8 in)
Deck: 63.5 mm (2.5 in)

Builder	Schichau-Werke, Danzig
Laid down	1 March 1909
Launched	30 June 1910
Commissioned	1 May 1912
Displacement	Normal: 22,808 t (22,448 long tons) Full load: 24,700 t (24,300 long tons)
Length	167.20 m (548 ft 7 in)
Speed	20.8 knots (38.5 km/h; 23.9 mph)
Complement	42 officers 1071 enlisted

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

Career

Launched

30 June 1910

Battle of Jutland

Survived

31 May – 1 June 1916

Fate

Survived

Ceded to Japan, 1920. Broken up for scrap, 1921