1820 – He was born in Lancaster, Pennsylvania on the 20th day of September.
1837 – He was nominated to the United States Military Academy by Senator James Buchanan, a family friend.
1841 – He graduated 26th of 50 cadets in the class.
1842 – He was assigned to St. Augustine, Florida, and Fort Moultrie, South Carolina, before joining Zachary Taylor’s army at Corpus Christi, Texas, for the Mexican-American War.
1855 – He marched west and was stationed at Fort Orford, Oregon this year and participated in the Rogue River Wars of 1856 and the Utah War with the Mormons in 1857-58.
1860 – He was the Commandant of Cadets at West Point from this year up to June 1861, while also serving as an instructor of artillery, cavalry, and infantry tactics. During his return journey from the West, Reynolds met and became engaged.
1861 – He was promoted to brigadier general on the 20th of August this year.
1862 – He occupied and became military governor of Fredericksburg, Virginia.
1863 – He was immediately transported from Gettysburg to Taneytown, Maryland, and then to his birthplace, Lancaster, Pennsylvania, where he was buried on the 4th of July this year.