Ryugyong Hotel's Exterior Finally Completed After 24 Years

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• Architecture09/15/2026@BuildDesk

  Gustave Eiffel’s Company Completes the Eiffel Tower

  Eiffel Tower, Champ de Mars, Paris, FranceCompagnie des Établissements Eiffel

  

  Starts 03/31/1889CONFIRMED80% CONFIDENCE137.5 years agoHistory.com^[3] and the Eiffel Tower’s own history page date the structure’s completion and dedication ceremony to 31 March 1889.

  Gustave Eiffel’s engineering firm finished the Eiffel Tower in Paris after just over two years of construction, built as the entrance arch for the 1889 Exposition Universelle. The 300-metre iron lattice tower was the tallest man-made structure in the world at the time.

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• Architecture09/14/2026@BuildDesk

  Hagia Sophia's Dome Restoration

  Hagia Sophia, Istanbul, Turkey

  

  Starts 04/14/2025CONFIRMED88% CONFIDENCE1.4 years agoHappened as dated, per the source^[1]: dome restoration was "scheduled to commence on April 14, 2025"; no completion date has been set for the wider 50-year reinforcement plan.

  Istanbul's 1,500-year-old Hagia Sophia began restoring its dome to withstand a major earthquake, a phase of a 50-year plan to reinforce the building with no fixed finish date.

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• Architecture09/11/2026@ThePinGang

  Notre-Dame de Paris Restoration Complete

  Paris, France

  

  Starts 06/01/2030ESTIMATED63% CONFIDENCEin 3.7 yearsGiven as a target, not a fixed date, per the pin description: "…opened to worshippers in December 2024. Estimated date.…"

  Work continues on the exterior, flying buttresses and sacristy after the cathedral reopened to worshippers in December 2024. Estimated date.

  $739M

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• Food09/22/2026FoodDesk

  Nihonryori RyuGin Opens in Roppongi

  Roppongi 7, Roppongi, Minato, Tokyo 106-0032, JapanNihonryori RyuGin

  

  Starts 12/31/2003ESTIMATED75% CONFIDENCE22.7 years agoWikipedia^[1] gives the year only - "Ryugin was established in 2003 at Roppongi, Minato-ku, Tokyo" - so the pin takes that year's last day. It is placed at the Roppongi address of that opening; the restaurant has since moved to Hibiya.

  Seiji Yamamoto opened RyuGin in Roppongi in 2003 and used it to argue that kaiseki could be taken apart and rebuilt with modern technique without ceasing to be kaiseki - a position that made it the Japanese restaurant most often named on international lists. It has since moved to Hibiya, where it holds three Michelin stars.

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• Infrastructure09/15/2026@BuildDesk

  Afsluitdijk's Storm-Proofing Upgrade Wraps Up in the Netherlands

  Breezanddijk, Afsluitdijk, NetherlandsLevvel

  

  Starts 06/01/2023ESTIMATED64% CONFIDENCE3.3 years agoHappened as dated, per the source^[1]: "completed the work in 2023."

  The Levvel consortium finished reinforcing the 32-kilometre Afsluitdijk sea wall with tens of thousands of custom concrete blocks so it can withstand a one-in-10,000-year storm.

  $617M

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• Architecture09/15/2026@BuildDesk

  One Thousand Museum Completes in Miami

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  Starts 06/28/2019CONFIRMED90% CONFIDENCE7.2 years agoHappened as dated, per the source^[1]: "the tower has received its TCO (temporary certificate of occupancy), meaning that it is one step closer to officially welcoming residents."

  Zaha Hadid Architects' exoskeleton-clad One Thousand Museum tower finished construction on Miami's Biscayne Boulevard, one of the late architect's last works.

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• Architecture09/15/2026@BuildDesk

  Zaha Hadid's Dongdaemun Design Plaza Opens in Seoul

  Dongdaemun Design Plaza, Jung District, Seoul, South KoreaZaha Hadid Architects

  

  Starts 03/21/2014CONFIRMED83% CONFIDENCE12.5 years agoHappened as dated, per the source^[1]: "it was officially inaugurated on 21 March 2014."

  Zaha Hadid Architects' fluid, BIM-engineered Dongdaemun Design Plaza opened to the public in Seoul, South Korea, transforming a former stadium site into a landmark arts and design hub.

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• Architecture09/15/2026@BuildDesk

  Harbin Opera House Completes on the Songhua River

  Harbin Cultural Island, Songbei District, Harbin, Heilongjiang, ChinaMAD Architects

  

  Starts 12/16/2015CONFIRMED90% CONFIDENCE10.8 years agoHappened as dated, per the source^[1]: "the completion marks the end of the five year construction which sees the building becoming a focal point of the cultural island."

  MAD Architects finished its undulating Harbin Opera House, a two-theatre arts complex built to withstand the city's extreme winters.

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• Architecture09/14/2026@BuildDesk

  Goldin Finance 117 Targeted to Finally Complete in Tianjin

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  Starts 06/30/2027ESTIMATED65% CONFIDENCEin 280 daysGiven as scheduled, per the source^[1]: "In April 2025, it was announced that construction would resume and be completed in 2027."

  After a decade standing unfinished as the world's tallest abandoned building, Tianjin's 597-metre Goldin Finance 117 resumed construction under a state-led rescue and is targeted to complete in 2027.

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• Architecture09/15/2026@BuildDesk

  Colosseum's Tod's-Funded Facade Restoration Unveiled After Three Years

  Rome, ItalyTod's

  

  Starts 07/01/2016CONFIRMED90% CONFIDENCE10.2 years agoHappened as dated: WWD^[2] reports the event of 1 July 2016 at which Diego Della Valle and Prime Minister Matteo Renzi marked the completion of the first part of the restoration, begun in September 2013. The whole project was then expected to run to 2020-2022.

  A three-year, Tod's-funded restoration of the Colosseum's facade - the first phase of a longer project - wrapped up with a ceremony attended by Italy's prime minister, revealing the monument's stone cleaned of two millennia of grime.

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• Architecture09/15/2026@BuildDesk

  Angkor Wat, the Largest Religious Monument on Earth, is Completed for Suryavarman II

  Angkor Wat, Krong Siem Reap, Cambodia

  

  Starts 01/01/1150ESTIMATED73% CONFIDENCE876.7 years agoWikipedia's^[3] Angkor Wat article states construction "commenced in 1122 CE and was completed in 1150 CE," a period-based estimate rather than a single confirmed day, consistent with other sources citing the reign of Suryavarman II (1113-1150).

  Cambodia's Khmer king Suryavarman II built Angkor Wat as his state temple and eventual mausoleum, a 400-acre complex whose construction ran from around 1122 to 1150 CE.

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• Food09/22/2026FoodDesk

  Odette Opens Inside the National Gallery Singapore

  Odette1 Saint Andrew's Road, Civic District, Downtown Core, Singapore

  Starts 12/31/2015ESTIMATED70% CONFIDENCE10.7 years agoWikipedia^[1] gives the year only - "Founded in 2015 by chef Julien Royer" - with no month or day, so the pin takes that year's last day.

  Julien Royer opened Odette in 2015 in the National Gallery Singapore, the former Supreme Court and City Hall converted into a museum, and named it after his grandmother. It became the highest-ranked restaurant in Singapore on the Asia's 50 Best list and one of the city's three-star addresses, cooking a French menu built around named producers.

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