15 mar 1865 año - Siege of Petersburg
Descripción:
 Siege of the Confederate controlled Petersburg, a site of an important railroad center. By March 1865, there was over 30 miles of defense around Petersburg. Union troops had almost 40,000 casualties, Confederates had about 28,000. 
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fecha:
15 mar 1865 año
Ahora mismo
 ~ 160 years ago