April 23, 1936-The keel of the Prinze Eugen is laid in the Germaniawerft shipyards of Kiel.
August 22, 1938-Prinz Eugen is launched.
July 1940-Prinz Eugen is hit twice by bombs while still in the shipyard.
August 1, 1940-Prinz Eugen is commissioned.
August through December, 1940-Prinz Eugen embarks on trial runs in the Baltic Sea.
December 1940-Prinz Eugen undergoes final construction in Kiel.
January through April 1941-Prinz Eugen completes all final trial runs during Baltic Sea operations.
May 18, 1941-The Prinz Eugen takes part in Operation Rheinübung. The Bismarck and Prinz Eugen depart Gotenhafen.
May 21, 1941-The Bismarck and Prinz Eugen are spotted by a British reconnaissance Spitfire, belonging to coastal command. At 2000, the Bismarck, Prinz Eugen, Z10 Hans Lody, Z16 Frederick Eckoldt, and Z23 leave Grimstadtfjord.
May 22, 1941-The three destroyers leave the Bismarck and Prinz Eugen heading due north at 0400.
May 23, 1941-Reaches the ice limit around early evening and about an hour later the Bismarck sights the Suffolk and at 2030, fires several salvos. After a while, the Prinz Eugen passes the Bismarck and takes the lead, using the cruiser radar to replace the damaged system aboard Bismarck. The Suffolk manages to evade all attempts by the Bismarck to hit the British cruiser.
May 24, 1941-The British battlecruiser Hood and the battleship Prince of Wales engage the German battleship Bismarck and the Prinz Eugen. Prinz Eugen scores the first hit on the Hood before the Bismarck scores further hits, sinking the battlecruiser. Shortly later, Prinz Eugen leaves the German battleship heading for the North Atlantic.
May 29, 1941-Prinz Eugen begins to have engine trouble, and is eventually forced to return to Brest.
July 11, 1941-Prinz Eugen is struck by bombs during an air raid while in dock.
February 11, 1942-Prinz Eugen returns to Germany with the battlecruisers Scharnhorst and Gneisenau, Z4 Richard Beitzen, Z5 Paul Jakobi, Z7 Hermann Schoemann, Z14 Friedrich Ihn, Z25, Z29, and 14 torpedo boats, all part of Operation Cerberus.
February 11, 1942-The British submarine Trident scores a torpedo hit on the Prinz Eugen, severely damaging the stern near the Drontheim Fjord.
May through October 1942-Prinz Eugen undergoes repairs in Kiel.
November 1942-Prinz Eugen and Lützow begin battle training in the Baltic Sea.
January 1943-Prinz Eugen attempts to transfer to Norway twice, both times without any success.
May 1943-Prinz Eugen is readied for use as a training ship.
July 1944-Prinz Eugen is stationed on the coast of Finland.
August 1944-Prinz Eugen is reassigned to shore bombardment duty at the Kurland front lines.
October 1944-Prinz Eugen provides cover during the retreat of the German Army at Memel.
October 15, 1944-Prinz Eugen collides with the Leipzig north of Hela, causing only minor damage to the Prinz Eugen.
November 1944 through April 1945-Prinz Eugen continues to provide support for the German Army.
April 8, 1945-Prinz Eugen is transferred to Copenhagen.
May 1945-Prinz Eugen is placed under the command of the British Royal Navy.
December 1945-Prinz Eugen is handed over to the United States and renamed the IX 300.
January 1, 1946-IX 300 sails to the United States.
May 5, 1946-IX 300 is then transferred to Honolulu, Hawaii.
January 7, 1946-IX 300 used in the Atomic Bomb Test "Able". There the ship receives light damage during the testing.
July 25, 1946-IX 300 takes part in Atomic Bomb Test "Baker". The ship receives moderate damage below the waterline. Afterwords, the cruiser is towed to the Kwajalein Atoll.
December 22, 1946-IX 300 capsizes and sinks after a gradually worsening list, beginning around the 17th of December and drastically worsening after December 21.
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