Question: What year did the namesake of Fort Davis, Alaska die?

Context articles: Jefferson C. Davis
Fort Davis High School
Fort Davis, Alaska
Fort Davis National Historic Site
Fort Davis Independent School District
Fort Davis, County Cork
Fort Davis, Alabama
Fort Davis, Texas
Jeff Davis County Courthouse (Texas)
Davis Mountains

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.
Fort Davis High School is a public high school located in the unincorporated community of Fort Davis, in central Jeff Davis County, Texas, United States.
 The school is operated by the Fort Davis Independent School District and classified as a 1A school by the UIL.
 In 2013, the school was rated "Improvement Required" by the Texas Education Agency.
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.
Fort Davis National Historic Site is a United States National Historic Site located in the unincorporated community of Fort Davis, Jeff Davis County, Texas.
 Located within the Davis Mountains of West Texas, the historic site was established in 1961 to protect one of the best remaining examples of a United States Army fort in the southwestern United States.
Fort Davis Independent School District is a public school district based in the community of Fort Davis in unincorporated Jeff Davis County, Texas (USA).
Fort Davis (Irish: "Dún an Dáibhisigh"; previously "Fort Carlisle"), is a coastal defence fortification close to Whitegate, County Cork, Ireland.
 Together with similar structures at Fort Mitchell (Spike Island), Fort Camden (Crosshaven), and Templebreedy Battery (also close to Crosshaven), the fort was built to defend the mouth of Cork Harbour.
 Though used as a fortification from the early 17th century, the current structures of the 74 acre site date primarily from the 1860s.
 Originally named Fort Carlisle and operated by the British Armed Forces, the fort was handed-over to the Irish Defence Forces in 1938, and renamed Fort Davis.
 The facility is owned by the Department of Defence, and is used as a military training site with no public access.
Fort Davis is an unincorporated community in Macon County, Alabama, United States, located on U.S. Route 29, 12.9 mi south of Tuskegee.
 Fort Davis has a post office with ZIP code 36031, which opened on June 4, 1891.
Fort Davis is a census-designated place (CDP) in Jeff Davis County, Texas, United States.
 The population was 1,201 at the 2010 US Census .
 It is the county seat of Jeff Davis County.
 It was the site of Fort Davis established in 1854 on the San Antonio-El Paso Road through west Texas and named after Jefferson Davis, who was then the Secretary of War under President Franklin Pierce.
The Jeff Davis County Courthouse is located in the town of Fort Davis, the seat of Jeff Davis County in the U.S. state of Texas.
 The courthouse was constructed between 1910-1911 and added to the National Register of Historic Places in 2002.
 The Texas Historical Commission (THC) has also designated the building as a Recorded Texas Historic Landmark since 2000 and, along with the surrounding courthouse square, as a State Antiquities Landmark since 2003.
 The surrounding county and county seat, along with the nearby historic frontier fort at Fort Davis National Historic Site, are named after Jefferson Davis, who served as U.S. war secretary at the time of the establishment of the fort and the town, and who would later become president of the Confederate States of America during the Civil War.
The Davis Mountains, originally known as Limpia Mountains, are a range of mountains in West Texas, located near Fort Davis, after which they are named in honor to Jefferson Davis.
 They are a popular site for camping and hiking and the region includes Fort Davis National Historic Site and Davis Mountains State Park.
 The historical and architectural value of the fort, along with the rugged natural environment of the park are a significant destination for tourism in Texas.