Kaliningrad stadium

Kaliningrad Stadium (Russian: Стадион Калининград, Stadion Kaliningrad), also called Arena Baltika, is a football stadium on Oktyabrsky Island, Kaliningrad, Russia, which hosted four games of the 2018 FIFA World Cup. It will also host FC Baltika Kaliningrad of the Russian Football National League, replacing Baltika Stadium.

Oktyabrsky Island (Остров Октябрьский; Russian for '"October [Revolution] Island"') is an island in the Pregolya River in Kaliningrad, capital of Kaliningrad Oblast, an exclave of Russia. The island, covering about 10 square kilometres (3.9 sq mi), is immediately east (upriver) of the city's historic centre.

German submarine U-763 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.She was laid down on 21 January 1941 by Kriegsmarinewerft Wilhelmshaven as yard number 146, launched on 16 January 1943 and commissioned on 13 March 1943 under Kapitänleutnant Ernst Cordes.