Template:PetersburgSeigeStart
The Union seige operations against the Confederate lines around Petersburg began in June 1864 as Confederate forces fell back to a defensive line around the city. Union forces began to build a continuous seige line around the Confederate lines capturing new ground to complete the encirclement. Fortifications included earthworks forts, gun batteries and entrenchments that allowed the Union forces to place "one man per yard" along the ever lengthening line.