On October 5 , 1777 , Clinton 's army did so .
Meanwhile , Howe left Sir Henry Clinton in charge of a smaller force to be docked in New York City , with the permission to strike the Hudson Valley at any time .
On October 5 , 1777 , Sir 's army did so .
Meanwhile , Howe left Sir Henry Clinton in charge of a smaller force to be docked in New York City , with the permission to strike the Hudson Valley at any time .