High Quality Content by WIKIPEDIA articles! SMS Seydlitz was a 25,000-metric ton battlecruiser of the Kaiserliche Marine, built in Hamburg. She was ordered in 1910 and commissioned in May 1913, the fourth battlecruiser built for the High Seas Fleet. She was named after Friedrich Wilhelm von Seydlitz, a Prussian general during the reign of King Frederick the Great and the Seven Years` War.