June 15, 1775 - George Washington is appointed Commander-in-Chief of the Continental Army.

June 15, 1864 – Arlington National Cemetery is established  as a military cemetery on the estate formerly owned by Robert E. Lee’s wife, Mary Ann Custis Lee, a descendant of Matha Washington, wife of George Washington.  Military dead from all of the nation’s wars are interred in Arlington’s hallowed grounds, from the Revolutionary War through the current conflicts in Iraq and Afghanistan.  The land sits within Arlington County, Virginia, directly across the Potomac River from Washington, DC.

Some of the many notable persons buried in Arlington include President John F. Kennedy, Gen. Henry ‘Hap’ Arnold, Gregory ‘Pappy’ Boyington, Gen. Omar Bradley, Gen. Claire Lee Chennault, Adm. William ‘Bull’ Halsey, Gen. John J. Pershing, Francis Gary Powers, Adm. Hyman G. Rickover, Joe Louis, Lee Marvin, Bill Mauldin, William H. Rehnquist, and President William Howard Taft.