1654
1654 was a year in the 17th century marked by significant political and military developments across Europe and its overseas empires. In Eastern Europe, the Cossack Hetmanate under Bohdan Khmelnytsky concluded the Treaty of Pereyaslav with the Tsardom of Russia. The agreement brought the Cossack state under Russian protection and aligned it against Poland-Lithuania, shaping Ukrainian-Russian relations and influencing regional power dynamics for decades.
In Western Europe, the First Anglo-Dutch War reached its conclusion with the signing of the Treaty of
In the Atlantic and Caribbean arenas, England under Oliver Cromwell initiated the Western Design, a strategic
These events occurred within a broader context of ongoing conflicts among major European states, including Poland-Lithuania,