Gall (Native American leader) Gall served with Sitting Bull during several battles, including the famous Battle of the Little Bighorn in 1876. Since the early 1980s, archaeological researchers conducted battlefield excavations after a major grass fire. Historians have been studying accounts by participating Indians and tribal oral histories. Based on these elements, a contemporary reassessment of the Battle of the Little Bighorn has given Gall greater credit for several crucial tactical decisions that contributed to the Sioux and Cheyenne's overpowering defeat of the five companies of cavalry led by Custer of the 7th Cavalry. Major Marcus Reno's initial attack on the southeast end of
George Armstrong Custer during the Manassas Campaign, where Army commander Winfield Scott detailed him to carry messages to Major General Irvin McDowell. After the battle, Custer continued participating in the defenses of Washington D.C. until October, when he became ill. He was absent from his unit until February 1862. In March, he participated with the 2nd Cavalry in the Peninsula Campaign (March to August) in Virginia until April 4. On April 5, Custer served in the 5th Cavalry Regiment and participated in the Siege of Yorktown, from April 5 to May 4 and was aide to Major General George B. McClellan; McClellan was