Schwere Kreuzer Seydlitz
History 29 Dec 36: Laid down in Bremen as the Schwere Kreuzer K.

19 Jan 39: Launched as the Schwere Kreuzer Seydlitz.

1939-42: Tied up unfinished in Bremen.

26 Aug 42: Although 95% finished, work was halted and dismantling was begun in preperation for conversion of the Seydlitz to an aircraft carrier.

June 43: Conversion and dismantling work was halted, and the ship was moved to Königsburg.

10 Apr 45: The unfinished ship was scuttled in Königsburg harbor.

29 Jan 45: The scuttled hulk of the Seydlitz was blown up.

Post-1945: The Seydlitz became a Soviet war-prize and was later raised and dismantled, possibly to aid in the completion of its sister ship, the Lützow which, after being sold to the USSR in 1940 was renamed the Petropavlovsk, later the Tallin, and finally the Dnepr.
Stats
Commanders
Ship was never commissioned into the Kriegsmarine.