History of Budapest shot them along the banks of the Danube and threw their bodies into the river. Soviet forces captured Budapest on February 13, 1945. More than 100,000 Jews remained in the city at time of capture. Upon retreating, the Germans also blew up all the Danube bridges as a way of hampering the progress of the Communist Red Army of the Soviets. A two-month-long siege of Budapest reduced the entire city, but mostly the Castle District to rubble, as it was assigned to the mostly Hungarian army with German leadership to defend and to "hold back". Most roofs in Budapest were
Budapest Memorandum on Security Assurances or political independence of Ukraine, Belarus and Kazakhstan. As a result, between 1994 and 1996, Belarus, Kazakhstan and Ukraine gave up their nuclear weapons. Before that, Ukraine had the world's third largest nuclear weapons stockpile, of which Ukraine had physical if not operational control. The use of the weapons was dependent on Russian-controlled electronic Permissive Action Links and the Russian command and control system. Following the annexation of Crimea by the Russian Federation in 2014, the US, Canada, the UK, along with other countries, stated that Russian involvement was a breach of its obligations to Ukraine under the Budapest Memorandum,