Pereiaslav Agreement
Khmelnytsky swears to the tsar; Left-bank Ukraine joins Moscow
In January 1654 Hetman Bohdan Khmelnytsky and the Zaporozhian Cossacks swore allegiance to Tsar Alexis. Moscow's acquisition of Cossack Ukraine led to the Russo-Polish War of 1654–1667.
Wikipedia (Russian) · Wikipedia (English) · 17th century
Meanwhile around the world (±25 years)
Europe
- 1648 Peace of Westphalia — 6 years earlier
- 1649 Execution of Charles I of England — 5 years earlier
- 1676 Leeuwenhoek sees microbes — 22 years later
Africa
- 1662 Last sighting of the dodo — 8 years later
Asia
- 1632–1653 Building of the Taj Mahal — 22 years earlier
- 1644 Fall of the Ming, rise of the Qing — 10 years earlier
Alive at the time
- Rembrandt (aged 48)
- Louis XIV (aged 16)
- Isaac Newton (aged 11)
- Kangxi Emperor (aged 0)
- Njinga of Ndongo and Matamba (aged 71)
- Shah Jahan (aged 62)
- Oliver Cromwell (aged 55)
- Aurangzeb (aged 36)
- Alexis the Most Quiet (aged 25)
- Shivaji (aged 24)