American Revolutionary War History
1774 - British minister Joseph Priestly discovered oxygen while working as a tutor. He was the "author of Observations on Civil Liberty and the Nature and Justice of the War with America." Priestly established the first Unitarian church in Philadelphia. Then-Vice President John Adams attended his sermons.
1775 - A militia group under the general command of Major General James Wilkinson were ambushed by a group of Cherokees and Loyalists near present-day Seneca, South Carolina. The militia won the engagement.