"It is considered that they started from a fortress built on the Khortytsia island in the middle of the Dnieper River in what is now the Zaporizhia region of Ukraine. The term has also been metonymically used as an informal reference to the whole military-administrative organisation of the Zaporizhian Cossack Host. The history of the Zaporizhian Sich has six periods of time: \n* the appearance of the Sich (1471\u20141583). \n* the part of the Polish Crown by inclusion in the Kievan Voivodship (1583\u20131657)). \n* the struggle with Rzeczpospolita, Ottoman Empire, and Crimea Khanate for the independence of Ukrainian part of Rzechpospolita (1657\u20141686). \n* the struggle with Crimea, Ottoman Empire, and Russian Empire for the unique identity of Cossacks (1686\u20141709). \n* the creation of the Danubian Sich outside the Russian Empire and finding ways to return home (1709\u20131734) \n* the standoff to the Russian government for its attempts to cancel self-governing of the Sich and its fall (1734\u20141775)."@en . . . . . "It is considered that they started from a fortress built on the Khortytsia island in the middle of the Dnieper River in what is now the Zaporizhia region of Ukraine. The term has also been metonymically used as an informal reference to the whole military-administrative organisation of the Zaporizhian Cossack Host. The history of the Zaporizhian Sich has six periods of time:"@en . . "Zaporizhian Sich"@en . . . . . .