President Thomas Jefferson reviewed the Marines, led by the Commandant of the Marine Corps, LtCol William W. Burrows and the Marine Band, on the White House grounds. The smartly uniformed Marines performed drills and fired various salutes in observance of the new nation's 25th anniversary.

One of the oldest and most versatile attack aircraft in Marine Corps history, the A- 4 Skyhawk, retired from the Corps' active aviation structure after over 30 years of service. The last two Skyhawks from MAG-32 flew their initial flight from Cherry Point to NAS Patuxent River on this date.

The 1st Marine Aircraft Wing was activated at Quantico, Virginia. Within a year of activation, the Wing would participate in the Marine Corps offensive at Guadalcanal. That bitter campaign would be the first in a series of legendary battles in which the Wing would add luster to its reputation. The 1stMAW would earn five Presidential Unit Citations for gallantry in campaigns spanning World War II, Korea, and Vietnam.

President John Adams approved "An Act for Establishing and Organizing a Marine Corps", and it became law. The following day, the President appointed William Ward Burrows the Major Commandant of the new Corps. In August, Major Burrows opened his headquarters in Philadelphia, at that time still the capital of the new nation.

The USS IWO JIMA was decommissioned after over 30 years of service in a ceremony at Norfolk Naval Base, Virginia. The ship was named for the World War II battle during which three Marine divisions ousted 20,000 entrenched Japanese troops. The Iwo Jima was commissioned 26 August 1961, and it was the first ship specifically designed as an amphibious assault ship from the keel up.

The 4th Brigade of Marines began an attack near Soissons, France, as part of a three-division counterattack against the Germans. In the first two days of battle, the brigade sustained 1,972 casualties

The V Amphibious Corps, commanded by Major General Harry Schmidt, landed on Tinian, in the Mariana Islands. The following morning, the 2d and 4th Marine Divisions began a shoulder-to-shoulder southward sweep of the island. Organized enemy resistance faded within a week, and on 1 August, MajGen Schmidt declared the island secure.

The National Security Act of 1947 became effective, reaffirming the status of the Marine Corps as a separate military service within the Department of the Navy. The Act Provided for Fleet Marine Forces, and confirmed the Corps' mission of seizing and defending advanced bases, as well as land operation incident to naval campaigns.

Seven months after President Eisenhower's inauguration as the 34th President of the United States, an armistice was signed, ending organized combat operations and leaving the Korean Peninsula divided much as it had been since the close of World War II at the 38th parallel.

Brigadier General John A. Lejeune assumed command of the 2d Division, U.S. Army in France, and remained in that capacity until August 1919 when the unit was demobilized. He was the first Marine officer to hold an Army divisional command, and following the Armistice, he led his division in the march into Germany