An LC-130 Skibird Lands on Freshwater Ice for the First Time

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• Marine09/15/2026@BuildDesk

  Le Commandant Charcot Becomes First LNG-Powered Ship to Reach the North Pole

  Geographic North Pole, Arctic OceanPonant

  

  Starts 09/06/2021CONFIRMED90% CONFIDENCE5.0 years agoConfirmed by Cruise Industry News^[4] and Seatrade Cruise^[2], which both report Le Commandant Charcot reached the Geographic North Pole on 6 September 2021.

  Ponant's hybrid-electric icebreaker Le Commandant Charcot reached the Geographic North Pole on 6 September 2021, the first French vessel and the first LNG-propelled ship ever to do so.

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• Architecture09/15/2026@BuildDesk

  ICEHOTEL 365 Opens as the World's First Year-Round Ice Hotel

  ICEHOTEL, Marknadsvägen, Jukkasjärvi, Kiruna kommun, SwedenICEHOTEL

  

  Starts 10/16/2016CONFIRMED80% CONFIDENCE9.9 years agoHappened as dated, per the source^[1]: "opened its doors on 16 October, 2016".

  A solar-cooled permanent wing opened beside Sweden's seasonal ICEHOTEL, letting guests sleep on ice even through the Arctic's 100 days of continuous summer daylight.

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• Aerospace09/15/2026@BuildDesk

  The Hawaii Mars Flying Boat Retires to a British Columbia Museum

  British Columbia Aviation Museum, Sidney, British Columbia, CanadaCoulson Aviation

  

  Starts 08/11/2024CONFIRMED83% CONFIDENCE2.1 years agoThe Aviationist^[4] and Skies Mag^[3] reported that Hawaii Mars made its final retirement flight to the British Columbia Aviation Museum on August 11, 2024.

  On August 11, 2024, the Martin JRM Mars flying boat "Hawaii Mars" made its final flight, escorted by Snowbirds jets, ending 78 years of service as the world’s largest water bomber.

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• Aerospace09/15/2026@BuildDesk

  Boeing Completes the Maiden Flight of Its Model 314 Clipper

  Elliott Bay, Seattle, Washington, USABoeing·…

  

  Starts 06/07/1938CONFIRMED85% CONFIDENCE88.3 years agoHistoryLink.org^[3] and the Museum of Flight both date the maiden flight to June 7, 1938.

  Boeing's Model 314 Clipper flying boat made its 38-minute first flight over Puget Sound, piloted by test pilot Eddie Allen. The giant flying boat went on to open Pan Am's first non-stop transatlantic passenger service.

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• Energy09/22/2026@EnergyDesk

  LNG Canada Ships First LNG From Kitimat Terminal

  LNG CanadaLNG Canada, Kitimat, British Columbia, Canada

  Starts 07/01/2025CONFIRMED89% CONFIDENCE1.2 years agoThe first cargo, loaded aboard the GasLog Glasgow, left Kitimat for Asia on 1 July 2025 (Shell's^[2] 'First cargo leaves LNG Canada' release, with CBC^[3] and The Globe and Mail reporting the departure the same day). The previous date of 23 June 2025 was the announcement of first production, with cargo loading still ahead of it.

  Canada's first large-scale liquefied natural gas export terminal, built by a Shell-led joint venture in Kitimat, British Columbia, produced and shipped its first LNG cargo in 2025.

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• Aerospace09/15/2026@BuildDesk

  Antonov An-124 Ruslan Makes Its First Flight

  Kyiv, UkraineAntonov

  

  Starts 12/26/1982CONFIRMED87% CONFIDENCE43.7 years agoWikipedia's^[3] Antonov An-124 Ruslan article states the prototype's first flight took place on 26 December 1982.

  The Antonov An-124 Ruslan, still one of the largest cargo aircraft ever built, first flew over Kyiv on 26 December 1982, years before it entered airline service.

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• Aerospace09/21/2026@BuildDesk

  Lindbergh Flies the Spirit of St. Louis Solo Across the Atlantic

  Aéroport de Paris–Le Bourget, Paris, FranceRyan Airlines

  

  05/20/1927 - 05/21/1927CONFIRMED85% CONFIDENCE99.3 years agoHappened as dated, per en.wikipedia.org^[1]: the aircraft is the one "Charles Lindbergh flew on May 20–21, 1927, on the first solo nonstop transatlantic flight from Long Island, New York, to Paris, France."

  Charles Lindbergh flew the Ryan NYP from Roosevelt Airfield on Long Island to Le Bourget in Paris, 3,600 miles in 33 hours and 30 minutes, the first solo nonstop transatlantic flight. It won him the $25,000 Orteig Prize.

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• Energy09/11/2026@ThePinGang

  Snowy 2.0 Pumped Hydro Online

  Snowy Mountains, New South WalesSnowy Hydro

  

  Starts 12/01/2029ESTIMATED51% CONFIDENCEin 3.2 yearsGiven as a target, not a fixed date, per the pin description: "…ant to backstop Australia's renewables. Estimated date.…"

  A 2,200 MW underground pumped-storage scheme linking two existing reservoirs, meant to backstop Australia's renewables. Estimated date.

  A$12B

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• Transport09/20/2026@BuildDesk

  DART's Silver Line Opens to DFW Airport

  DFW Airport Terminal B station, Dallas Fort Worth International Airport, TX 75261, United StatesDallas Area Rapid Transit

  

  Starts 10/25/2025CONFIRMED90% CONFIDENCE333 days agoDART's^[1] launch release names the day it happened: the Silver Line "launches Saturday, Oct. 25", connecting seven cities and DFW International Airport.

  DART began passenger service on the 26-mile Silver Line, a 10-station regional rail route running east-west from Plano through Richardson, Addison, Carrollton and Coppell to DFW International Airport. It is the agency's first rail link from the northern suburbs straight into the airport, and rides were free for the first two weeks.

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• Marine09/15/2026@BuildDesk

  Paul R. Tregurtha Enters Service as the Great Lakes’ Largest Ship

  Lorain, Ohio, USAInterlake Steamship Company

  

  Starts 05/10/1981CONFIRMED85% CONFIDENCE45.4 years agoWikipedia's^[3] MV Paul R. Tregurtha article gives 10 May 1981 as the ship's maiden voyage, following its 4 February 1981 launch as the William J. DeLancey.

  Launched as the William J. DeLancey and later renamed Paul R. Tregurtha, the Great Lakes' longest ship began hauling cargo with its maiden voyage on 10 May 1981.

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• Mining09/21/2026@BuildDesk

  Thacker Pass Finishes Its First Phase

  Thacker Pass, Humboldt County, Nevada, United StatesLithium Americas·…

  

  Starts 12/31/2027ESTIMATED70% CONFIDENCEin 1.3 yearsLithium Americas targets mechanical completion of Phase 1 in "late 2027", with the production ramp following in 2028. Only a half-year is given, so the pin takes the last day of 2027.^[1]

  Lithium Americas targets mechanical completion of Thacker Pass Phase 1 in late 2027, a 40,000-tonne-a-year lithium carbonate plant in northern Nevada.

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• Space09/11/2026@ThePinGang

  Artemis III Crewed Lunar Landing

  NASA

  

  Starts 06/01/2027ESTIMATED50% CONFIDENCEin 251 daysGiven as a target, not a fixed date, per the pin description: "…ng on the Moon since Apollo 17 in 1972, targeting the lunar south pole. Estimated date.…"

  The first crewed landing on the Moon since Apollo 17 in 1972, targeting the lunar south pole. Estimated date.

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