In 1954 an administrative action of the Soviet Union, which transferred the government of the Crimean Peninsula from the Russian Soviet Federative Socialist Republic to the Ukrainian SSR.
Long ago, Crimean Peninsula was independent under the Crimean Khanate. The Muslim Turkic Crimean Tatars were under the influence of the Ottoman Empire, while also bordering an increasingly aggressive Russian Empire.
In 1774, following the Russo-Turkish War of 1768–74, the Russian and Ottoman empires agreed to refrain from interfering with Crimean Khanate through the Treaty of Küçük Kaynarca.
In 1783, following the increasing decline of the Ottoman Empire, the Russian Empire annexed the Crimean Khanate Within Russia, the peninsula was transferred between multiple internal administrations.
During the formation of the short-lived Crimean People’s Republic of the Crimean Tatars in 1917, the flag used was a sky-blue flag with a golden tamğa, known as the Kök Bayraq “Blue Banner”. A green colored flag was used for religious purposes, and the red colored flag was used as the Tatar’s military flag.
Through its time in the Russian Empire and the USSR, up to its transfer to the Ukrainian SSR in 1954, Crimea was administered by 14 administrations.