How many troops participated in the Battle of Chancellorsville?

The Battle of Chancellorsville, fought from April 30 to May 6, 1863, involved approximately 133,000 troops in total. The Union army, led by General Joseph Hooker, had around 104,000 soldiers, while the Confederate forces, commanded by General Robert E. Lee, numbered about 60,000. Despite being outnumbered, Lee's forces achieved a significant victory.