- 1742: Born to Quaker parents in Warwick, Rhode Island
- 1770 – 1772: Served in Rhode Island legislature
- 1774: Organized a militia company, Kentish Guards in response to threat from Great Britain. Because of a bad knee he served in the ranks. Married Katharine Littlefield.
- 1775: Appointed Brigadier General of the R.I. forces and sent to join the Continental army in Boston.
- 1776: Participated in the defense of New York City. Promoted to Major General and assigned to command the Revolutionary Troops in N.J.
- 1777 – 1778: Worked closely with Gen. George Washington at Morristown, Brandywine, Germantown, Valley Forge and Monmouth.
- 1778 – 1780: Served as Quartermaster General.
- 1780: Presided over the military court that convicted the British officer who was involved in Benedict Arnold’s treason.
- 1780 – 1781: Assumed command of the American forces in the South, replacing General Horatio Gates.
- March 1781: Commanded American forces at the Battle of Guilford Courthouse. By December British forces were pushed back into Charleston and Savannah.
- 1785: Retired near Savannah to a plantation given to him by the state of Georgia.
- June 19, 1786: Died at the age of 44 at his estate, Mulberry Grove, Georgia.
Compiled by Diane Lamb, News & Record News Researcher.
Sources: The World Book Encyclopedia; Academic American Encyclopedia