In early 1776 Lawson was commissioned a major in the
4th Virginia Regiment of the
Continental Army. He rose to become the colonel commanding the regiment. He resigned from the Continental Army in December 1777. Lawson returned to active duty in 1779 as a brigadier general in the
Virginia militia. According to some accounts, he commanded the Virginia militia at the
Battle of Guilford Court House.
Continental Service • Major, 4th Virginia, February 13, 1776 • Lieutenant Colonel, 4th Virginia, August 13, 1776 • Colonel, 4th Virginia, August 19, 1777 • Resigned, 17 December 1777 The 4th Virginia Regiment was authorized by the fourth Virginia convention on December 1, 1775, and accepted by Congress on February 13, 1776. The 4th Virginia Regiment joined Washington's army late in 1776 and participated in the battles of Trenton and Germantown. On November 23, 1776, the 4th, 5th, and 6th Virginia Regiments joined the army at New Brunswick, New Jersey, forming a brigade of 745 men under Adam Stephen.
Battles of the 4th Virginia Regiment • Battle of Trenton, December 26, 1776 • Second Battle of Trenton, January 1777 • Battle of Princeton, January 1777 • Battle of Brandywine, September 11, 1777 • Battle of Germantown, October 4, 1777
Virginia Militia • Colonel, Steven's Brigade, Battle of Camden, August 16, 1780 • General, Lawson's Brigade,
Guilford Courthouse, March 15, 1781 • General, Attached with General Steuben, Point of Fork, June 5, 1781 • General, Lawson's Brigade,
Siege of Yorktown, September - October 1781 ==Public servant==