GALLERY: Arlington National Cemetery Preps for Memorial Day

The world famous Arlington National Cemetery in located in the shadow of the Custis-Lee Mansion (Arlington House) that was home to General Robert E. Lee and family until 1861 at the beginning of the War Between the

"Welcome to Arlington National Cemetery, our nation's most sacred shrine. Please conduct yourselves with dignity and respect at all times." – Page.

According to the US Census Bureau, the first official observance was on May 28, 1868, when flowers were placed on the graves of Union and Confederate soldiers at Arlington National Cemetery. By the 20th century, the holiday was extended to all soldiers

"Welcome to Arlington National Cemetery, our nation's most sacred shrine. Please conduct yourselves with dignity and respect at all times." – Page 1.

Arlington National Cemetery Flags-In. Soldiers from the 3rd US Infantry Regiment (The Old Guard) will be joined by service members from the US Marine Corps Ceremonial and Guard Company, US Navy Ceremonial Guard, US Air Force Honor Guard and the US