Arlington National Cemetery will commemorate its 150th anniversary Monday morning.
At 9 a.m., soldiers will conduct a special wreath-laying at the Tomb of the Unknown Soldier to mark the milestone. The ceremony is free to attend.
This is the last event of more than a dozen to mark the creation historic cemetery. The events began back in May, 150 years after the first military burial at the cemetery.
Army Pvt. William Christman was buried at Arlington in May 1874. The cemetery was established a little more than a month later, by Brigadier General Montgomery C. Meigs, on June 15, 1864.
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