Today in history: On Nov. 15, 1864, late in the U.S. Civil War, Union forces led by Maj. Gen. William Tecumseh Sherman began their “March to the Sea” from Atlanta; the campaign ended with the capture of Savannah, Georgia on Dec. 21. Also on this date: In 1777, the Second Continental Congress approved the Articles of Confederation. In 1806, explorer Zebulon Pike sighted the mountaintop now known as Pikes Peak in present-day Colorado. In 1939, President Franklin D. Roosevelt laid the cornerstone