France formally enters the War

Thirty Years War

Cardinal Richelieu at the Siege of La Rochelle ©Image Attribution forthcoming. Image belongs to the respective owner(s).

1636 Mar 1

France formally enters the War

Wismar, Germany

In the March 1636 Treaty of Wismar, France formally joined the Thirty Years War in alliance with Sweden;

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Last Updated: Tue Nov 01 2022

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