Is it true that Arlington is the only national cemetery to hold servicemen from every war in U.S. history?

Yes, Arlington is the only national cemetery to hold servicemen from every war in U.S. history. Although the first military burial at Arlington National Cemetery didn’t occur until 1864, the burial ground holds the remains of those who fought in every war since the Revolution. In 1892, soldiers killed in the Revolutionary War were reinterred from a Georgetown cemetery, and casualties from the War of 1812 have been reburied at Arlington as well.