Crimea

Children

-438BC-370 Bosporan Kingdom
1787 Catherine II of Russia made a triumphal procession through New Russia and the annexed Crimea in company with her ally, Holy Roman Emperor Joseph II
2019 Siemens collaboration with Russia helps Putin to further militarize Crimea
Chechen jihandists who were veterans of the Syrian conflict have shown up in Ukraine fighting with Pravyi Sektor and some might have sabotauged electrical grid in the Crimean peninsula
Its capture would be the first fall of a major Ukrainian city and would help Russia secure a land passage between the self-proclaimed republics in Donetsk and Luhansk in Donbas and Crimea, which Moscow occupied and annexed in 2014.
Peter I fought the Ottoman Empire over the Crimea