Was a french leader who attempted to create another french empire

Constituted the overseas colonies, protectorates and mandate territories that came under French rule from the 16th century onward. A distinction is generally made between the "first colonial empire", that existed until 1814, by which time most of it had been lost, and the "second colonial empire", which began with the conquest of Algiers in 1830. The second empire came to an end after the loss of bitter wars in Vietnam (1955) and Algeria (1962), and peaceful decolonization elsewhere after 1960.

The answer is william henry harrison pursued and defeated british forces retreating into canada.