Question: The District of Alaska was initially commanded by a general known for killing a superior officer in what year?

full_context: Document 1: Jefferson C. Davis: Jefferson Columbus Davis (March 2, 1828 – November 30, 1879) was a regular officer of the United States Army during the American Civil War, known for the similarity of his name to Confederate President Jefferson Davis and for his killing of a superior officer in 1862.
Document 2: List of premiers of Yukon: The Canadian territory of Yukon has had a responsible government since 1978. In the 19th century, Yukon was a segment of the Hudson's Bay Company-administered North-Western Territory and then the Canadian-administered Northwest Territories. The territory only obtained a recognizable local government in 1895 when it became a separate district of the Northwest Territories. In 1898, Yukon was made a separate territory with its own commissioner and appointed Territorial Council. Prior to 1978, the territory had a legislature with a largely advisory role and no political parties or government leader. Instead, powers were invested in a governing Commissioner appointed by the federal government.
Document 3: Politics of California before 1900: The short-lived declaration of an independent California Republic in 1846 was followed 25 days later by the onset of the Mexican-American War. After the resulting conquest of Alta California by United States military forces and American volunteers, California was administered by the U.S. military from 1846 to 1850. Local government continued to be run by "alcaldes" (mayors) in most places, as they had been under Mexican control; but now some were Americans.
Document 4: List of lieutenant governors of Alaska: This is a list of people who have served as lieutenant governor of the U.S. state of Alaska since statehood in 1959. Prior to statehood, the territorial-era Secretary of Alaska, who was appointed by the president of the United States like the governor, functioned as an acting governor or successor-in-waiting like the present-day lieutenant governor does. Waino Edward Hendrickson, the territory's last appointed Secretary, twice served as acting governor. In statehood, the position was referred to as Secretary of State until a constitutional amendment changing the name was approved by voters on August 25, 1970. In Alaska, the lieutenant governor runs separately from the governor in the primaries, but after the primaries, the nominee for governor and nominee for lieutenant governor run together as a slate.
Document 5: Fort Davis, Alaska: Fort Davis was a United States Army post established in the Nome Census Area of Alaska in 1900. It was named for General Jefferson C. Davis, the military commander of Alaska from 1868 to 1870.
Document 6: Department of the Platte: The Department of the Platte was a military administrative district established by the U.S. Army on March 5, 1866, with boundaries encompassing Iowa, Nebraska, Dakota Territory, Utah Territory and a small portion of Idaho. With headquarters in Omaha, the district commander oversaw the army's role initially along the Overland route (or Oregon Trail) to Salt Lake City, then later the construction route of the Union Pacific Railroad. The district also included the Montana road (or Bozeman Trail) through eastern Wyoming. The district was discontinued when the Army's command was reorganized in 1898.
Document 7: USRC Jefferson Davis (1853): USRC "Jefferson Davis" was a United States Revenue Cutter Service topsail schooner of the "Cushing" class built in 1853. She was named for Jefferson Davis, then United States Secretary of War under President Franklin Pierce, and later president of the Confederate States of America.
Document 8: Jefferson Davis Memorial Historic Site: Jefferson Davis Memorial Historic Site (also known as the Jefferson Davis Capture Site) is a 12.668 acre state historic site located in Irwin County, Georgia that marks the spot where Confederate States President Jefferson Davis was captured by United States cavalry on Wednesday, May 10, 1865. The historic site features a granite monument with a bust of Jefferson Davis that is located at the place of capture. The memorial museum, built in 1939 by the Works Progress Administration, features Civil War era weapons, uniforms, artifacts and an exhibit about the president's 1865 flight from Richmond, Virginia to Irwin County, Georgia.
Document 9: Jesse L. Reno: Jesse Lee Reno (April 20, 1823 – September 14, 1862) was a career United States Army officer who served in the Mexican–American War, the Utah War, the western frontier, and as a Union General during the American Civil War. Known as a "soldier's soldier" who fought alongside his men, he was killed while commanding a corps at Fox's Gap during the Battle of South Mountain. Reno County, Kansas, El Reno, Oklahoma, Reno, Nevada, Reno, Pennsylvania and Fort Reno in Washington, D.C. were named after him.
Document 10: Union Army Divisions, Departments and Districts: During the American Civil War, a department was a geographical command within the Union's military organization, usually reporting directly to the War Department. Many of the Union's departments were named after rivers or other bodies of water, such as the Department of the Potomac and the Department of the Tennessee. The geographical boundaries of such departments changed frequently, as did their names. As the armies became larger Departments began to be subordinated to Military Divisions, and the Departments were often sub divided into Districts and from 1862 Subdistricts. Much information on Civil War departments can be found in Eicher & Eicher, "Civil War High Commands".
Document 11: Second Military District: The Second Military District of the U.S. Army was a temporary administrative unit of the U.S. War Department that existed in the American South. The district was stipulated by the Reconstruction Acts during the Reconstruction period following the American Civil War. It included the territories of North and South Carolina, and acted as the de facto military government of those states while a new civilian government was being re-established. Originally commanded by Major General Daniel Sickles, after his removal by President Andrew Johnson on August 26, 1867, Brigadier General Edward Canby took over command until both states were readmitted in July 1868.
Document 12: Jefferson Davis: Jefferson Davis (born Jefferson Finis Davis; June 3, 1808 – December 6, 1889) was an American politician who served as the President of the Confederate States from 1861 to 1865. He was a member of the Democratic Party who represented Mississippi in the United States Senate and the House of Representatives prior to becoming president of the Confederacy. He was the 23rd United States Secretary of War, serving under U.S. President Franklin Pierce from 1853 to 1857.
Document 13: Confederate States Army: The Confederate States Army (C.S.A.) was the military ground force of the Confederate States of America (Confederacy) during the American Civil War (1861-1865). On February 28, 1861, the Provisional Confederate Congress established a provisional volunteer army and gave control over military operations and authority for mustering state forces and volunteers to the newly chosen Confederate president, Jefferson Davis (1808-1889), a graduate of the U.S. Military Academy on the Hudson River at West Point, New York, and colonel of a volunteer regiment during the Mexican–American War (1846-1848), later a United States Senator from Mississippi and U.S. Secretary of War in the administration of 14th President Franklin Pierce (1853-1857). By March 1861, the Provisional Confederate Congress expanded the provisional forces and established a more permanent Confederate States Army.
Document 14: District of Alaska: The District of Alaska was the governmental designation for Alaska from May 17, 1884 to August 24, 1912, when it became Alaska Territory. Previously it had been known as the Department of Alaska. At the time, legislators in Washington, D.C., were occupied with post-Civil War reconstruction issues, and had little time to dedicate to Alaska. General Jefferson C. Davis, a U.S. Army officer, was put in charge as the first commander of the Department of Alaska, which between 1884 and 1912 was renamed the District of Alaska and was appointed a civil government by President Chester A. Arthur with the passage of the First Organic Act. During the Department era, Alaska was variously under the jurisdiction of the U.S. Army (until 1877), the United States Department of the Treasury (from 1877 until 1879) and the U.S. Navy (from 1879 until 1884), but now the area had its own government.
Document 15: Confederate States Secretary of War: Confederate President Jefferson Davis was twenty-third Secretary of War of the United States, serving under U.S. President Franklin Pierce from March 7, 1853 until March 4, 1857. However, he never served in this capacity in the Confederate States.
ground_truth: 1862