Complex sentence: Pułaski (with 50 troops) and the British (with 200) watched each other until October 15,1778 when the British were able to surprise an outpost of Pułaski's men, bayonet the sentry and almost all of the other men.
Split into simpler sentences: Pułaski (with 50 troops) and the British (with 200) watched each other until October 15,1778. That day the British surprised an outpost of Pułaski's men, bayonetting the sentry and almost all of the other men.