Centuries: 16th century - 17th century - 18th century
- February 15 - Ferdinand III becomes Holy Roman Emperor
- Pierre de Fermat makes a marginal claim to have proof of what would become known as Fermats Last Theorem.
- France places a few missionaries in the Côte d'Ivoire, a country they would come to rule more than 200 years later.
- England wages war against the Mashantucket Pequots