Describe the Battle of Fredericksburg.

One of the greatest confederate victories

Explanation:

December 11-15, 1862

Physical battle on the 13th.

In short, this battle was one of the largest battles of the civil war with around 200,000 soldiers involved. There were 120,000 union troops to Lee's 80,000 confederate army. The union let by a newly appointed commander Ambrose Burnside, staged an attack across the Rappahannock River on both sides of Lee's army, the confederates held strong and were able to move out before the union bulk could arrive and eventually the union forces retreated after massive casualities (13,000ish union to 5,000 for the Grey coats). The loss was a huge blow to the union and gave the confederate army a boost in morale after failed invasion attempt the prior year.  

i believe that the correct answer is a canadian hero.

explanation: he is celebrated as a national hero in canada for successfully thwarting a united states takeover of canada during the war of 1812.