Question: Which battle, Operation Grenade or the Battle of Fredericksburg, occurred first?
Sentence (from "Battle of Fredericksburg"): The Battle of Fredericksburg was fought December 11–15, 1862, in and around Fredericksburg, Virginia, between General Robert E. Lee's Confederate Army of Northern Virginia and the Union Army of the Potomac, commanded by Major General Ambrose Burnside, as part of the American Civil War.
Relevant evidence: Yes