- Jul 27 Jews of New Amsterdam petition for a Jewish cemetery
- Jul 27 Netherlands and Brandenburg sign military treaty
- Jul 29 Biggest townhall in the world opens in Amsterdam
- Jul 30 Dutch troops occupy Fort Assahudi Seram
- Jul 31 Russo-Polish War (1654-1667): the Russian army enters the capital of the Grand Duchy of Lithuania, Vilnius, which it holds for six years