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Las Vegas' $1.9BN Mega Stadium
CONFIRMED89% CONFIDENCE6.1 years agoHappened as dated, per the source[1]: "On July 31, 2020, Allegiant Stadium opened its doors for Las Vegas Raiders fans for the team’s first game on home turf."The Las Vegas Raiders open Allegiant Stadium, a 65,000-seat, climate-controlled venue with a retractable end-zone wall built in three years and nine months on the Las Vegas Strip.$1.9B0.62Marina Bay Sands breaks ground on its fourth tower
CONFIRMED87% CONFIDENCE1.2 years agoCNN[2] (16 July 2025) reports the tower 'broke ground on Tuesday' and Mothership[3] dates the groundbreaking to the evening of 15 July 2025. The previous date of 31 January 2031 was the expected opening, not the groundbreaking the pin's title describes; the development is still due to open in early 2031.Las Vegas Sands began construction on an $8BN fourth tower and 15,000-seat arena at Marina Bay Sands, designed by original architect Moshe Safdie.$8B0.6153W53 Completes Above Manhattan's MoMA
53 West 53rd Street, Midtown East, Manhattan, New York, NY 10019, United States
ESTIMATED51% CONFIDENCE6.7 years agoGiven as scheduled, per the source[1]: "the Hines-led development team commenced closings... the building is now ready to welcome its first residents."Jean Nouvel's super-slender 53 West 53rd Street tower, built above an expansion of the Museum of Modern Art, finished construction and began welcoming residents.0.60111 West 57th Street Finishes as the World's Thinnest Skyscraper
ESTIMATED67% CONFIDENCE4.3 years agoHappened as dated, per the source[1]: "Completed 2022 (residential tower)."SHoP Architects' ultra-slender Steinway Tower, with a width-to-height ratio of 1:24, completed construction on Billionaires' Row after years of delays and a lender dispute.0.59Emaar Properties Opens Burj Khalifa as the World's Tallest Building
CONFIRMED90% CONFIDENCE16.7 years agoGuinness World Records[2] and The National both confirm the official opening ceremony took place on January 4, 2010.Emaar Properties officially opened the 828-meter Burj Khalifa in Dubai, timed to the fifth anniversary of Sheikh Mohammed bin Rashid Al Maktoum's accession to power. The tower took the world's-tallest-building title from Taipei 101 by a record margin.0.59Tour Triangle Is Delivered at Porte de Versailles
DELAYED1 day late40% CONFIDENCEin 100 daysFrance 3's site visit reports the tower is "au niveau du 35e etage... pour une livraison finale debut 2027" - final delivery in early 2027, a season rather than a date.[1]Herzog & de Meuron's 180-metre glass wedge holds 44 floors of offices, a hotel and a restaurant on the edge of the Parc des Expositions, and is the first high-rise built inside Paris in about 40 years. Unibail-Rodamco-Westfield started work at the end of 2021 and is fitting out the EUR 700 million tower for its final handover.€700M0.59Brightline West Las Vegas to Los Angeles
ESTIMATED63% CONFIDENCEin 2.2 yearsGiven as a target, not a fixed date, per the pin description: "…e high-speed line down the I-15 median, aiming to run Las Vegas to Rancho Cucamonga in about two hou…"A 350 km/h private high-speed line down the I-15 median, aiming to run Las Vegas to Rancho Cucamonga in about two hours. Estimated date.$21.5B0.58One Za'abeel Opens With the World's Longest Cantilever
CONFIRMED80% CONFIDENCE2.6 years agoHappened as dated, per the source[1]: "The development was completed in December 2023 and officially opened on 10 February 2024."Dubai's One Za'abeel opened to the public, its twin towers joined by The Link, a 230-metre skybridge that went on to set the Guinness World Record for longest cantilevered building.AED 3.7B0.58Mjøstårnet Becomes the World's Tallest Timber Tower in Brumunddal
Mjøstårnet, Brumunddal, Ringsaker, Norway
CONFIRMED90% CONFIDENCE7.5 years agoWikipedia[4] and Norway Today state Mjøstårnet was completed in March 2019, with its official opening on March 15, 2019.At 85.4 meters and 18 storeys, Mjøstårnet in Brumunddal, Norway opened as the world's tallest timber building, built from engineered glue-laminated wood instead of steel or concrete.0.58The Great Pyramid of Giza Is Completed for Pharaoh Khufu
Giza Pyramid Complex, Giza, Egypt
ESTIMATED73% CONFIDENCE4586.7 years agoBritannica[2] and multiple Egyptology sources place the Great Pyramid’s completion at approximately 2560 BCE, with no exact date recorded.Standing 481 feet tall and the world's tallest human-made structure for more than 3,700 years, the Great Pyramid of Giza was built as Pharaoh Khufu’s tomb from an estimated 2.3 million stone blocks.0.57220 Central Park South Completes on Billionaires' Row
CONFIRMED87% CONFIDENCE6.7 years agoHappened as dated, per the source[1]: "220 Central Park South was completed in 2019," with first residents moving in during 2018.220 Central Park South, a limestone-clad tower on Manhattan's Billionaires' Row, completed as one of the most profitable condo buildings ever built, breaking from the glass-tower norm.0.5722 Bishopsgate Reaches Practical Completion
ESTIMATED63% CONFIDENCE5.8 years agoEstimated: Multiplex's[3] news item of 4 December 2020 says the team achieved practical completion "earlier this week" without naming the day, so the announcement date stands in for the milestone.Multiplex's 62-storey 22 Bishopsgate tower - planned and sequenced using an immersive 4D virtual-reality model - reaches practical completion, becoming the City of London's tallest building.0.57
