1621-30
1624
- Champlain and Hélène Boullé return to Paris. She does not journey to New France again.
1625
- Henri II, Duc de Montmorency, sells office of viceroy of New France to his nephew, Henri de Lévis, Duc de Ventadour.
- France and England go to war.
1626
- Champlain returns to Quebec.
- The Comapagnie de Caën re-forms under new viceroy, Ventadour.
1627
- Cardinal Richelieu replaces Ventadour as viceroy of New France.
- Cardinal Richelieu forms Company of the Hundred Associates, which is granted fur trade monopoly in New France.
1628
- Mercenaries led by the Kirke family, under commission from King
Charles I of England, begin to commandeer French ships on the St.
Lawrence.
1629
- The Kirke brothers seize control of New France and capture Quebec.
- Champlain returns to Paris by way of London and continues struggle for return of New France to the French.