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The Battle of Berestechko between Poland and Ukraine starts.
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Battle of Berestechko
1651 battle of the Khmelnytsky Uprising
The Battle of Berestechko was fought between the Cossack Hetmanate and Crimean Khanate against the Polish–Lithuanian Commonwealth as a part of the Khmelnytsky Uprising. Near the site of the present-day city of Berestechko in Ukraine forces of the Zaporozhian Cossacks and Crimean…Source: Wikipedia (CC BY-SA)
Polish–Lithuanian Commonwealth
Bi-confederate monarchy in Europe (1569–1795)
The Polish–Lithuanian Commonwealth, also referred to as Poland–Lithuania or the First Polish Republic, was a federative real union between the Kingdom of Poland and the Grand Duchy of Lithuania, existing from 1569 to 1795. This state was among the largest, most populated…Source: Wikipedia (CC BY-SA)
Crimean Khanate
1441–1783 Crimean Tatar state
The Crimean Khanate, self-defined as the Throne of Crimea and Desht-i Kipchak, and in old European historiography and geography known as Little Tartary, was a Crimean Tatar state existing from 1441 to 1783, the longest-lived of the Turkic khanates that succeeded the empire of…Source: Wikipedia (CC BY-SA)