Timeline of the annexation of Crimea by the Russian Federation tug stormed the already damaged corvette "Ternopil" at Sevastopol and captured her using stun grenades and automatic fire. After the Federation Council approved on final reading the treaty of accession of the Crimea to the Russian Federation, Vladimir Putin ratifies the inclusion of two new areas into the Russian Federation: the Republic of Crimea and the City of Federal Importance of Sevastopol. The Crimean Federal District is created with Oleg Belaventsev being appointed as its Presidential Envoy. At the same time Ukraine withdraws military troops from certain previously guarded areas in the Crimea and boycotts the right to travel to
Annexation of Crimea by the Russian Federation also signed the Budapest Memorandum on Security Assurances, by which all these countries reaffirmed their obligation to respect the territorial integrity of Ukraine (including Crimea) and to refrain from the threat or use of force against the territorial integrity or political independence of Ukraine. According to the Constitution of Russia, the admission of new federal subjects is governed by federal constitutional law (art. 65.2). Such a law was adopted in 2001, and it postulates that admission of a foreign state or its part into Russia shall be based on a mutual accord between the Russian Federation and the relevant state