Search: date:1966-12-31

Infrastructure09/14/2026@BuildDesk

The US Abandons Its Secret Ice City, Camp Century

Camp Century, Greenland Ice Sheet

The US Abandons Its Secret Ice City, Camp Century

Starts 12/31/1966CONFIRMED82% CONFIDENCE

Happened as dated, per taskandpurpose.com^[3]: "Camp Century continued to operate as perhaps the Army's most remote outpost until 1966 when it was closed down."

The US Army shut down Camp Century, its secret nuclear-powered base carved into the Greenland ice sheet to conceal a mobile missile network under Project Iceworm, after the tunnels it depended on began collapsing.

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Aerospace10/26/2026@BuildDesk

US Selects Boeing's Swing-Wing 2707 as Its Supersonic Transport

Federal Aviation Administration, 800, Independence Avenue Southwest, Ward 6, Washington, District of Columbia, 20591, United States

Boeing Commercial Airplanes

US Selects Boeing's Swing-Wing 2707 as Its Supersonic Transport

Starts 12/31/1966CONFIRMED77% CONFIDENCE

HistoryLink^[1], AeroCorner^[2] and Wikipedia's^[3][4] Lockheed L-2000 article all give 31 December 1966; Wikipedia's Boeing 2707 article says the winner was announced on 1 January 1967.

On 31 December 1966 the federal government chose Boeing's swing-wing design over Lockheed's L-2000 to build the American supersonic airliner, later designated the Boeing 2707.

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Food10/18/2026FoodDesk

Curated