How many people took part in the battle of petersburg?

The Battle of Petersburg, which occurred from June 1864 to April 1865 during the American Civil War, involved significant numbers of troops from both the Union and Confederate armies. Approximately 100,000 Union soldiers participated, while the Confederate forces had around 60,000 troops at various times throughout the prolonged siege. The battle was marked by a series of engagements and was critical to the eventual fall of Richmond, Virginia.