More like this
The Extremely Large Telescope Reaches First Light
ESTIMATED68% CONFIDENCEin 2.5 yearsESO[1][2] states the ELT "is now set to make its first test observations at the beginning of 2029, with 'telescope first light' expected in March 2029". Only the month is given, so the pin takes its last day.ESO's 39-metre Extremely Large Telescope takes its first test observations from Cerro Armazones in March 2029, with scientific first light following in December 2030.0.66Extremely Large Telescope Targets 2029 First Light
DELAYED4.5 years late56% CONFIDENCEin 2.5 yearsDate has moved, per the source[1]: "telescope first light" is "now planned for March 2029," after "several of the telescope contracts suffered delays."The European Southern Observatory's Extremely Large Telescope, being built atop a Chilean mountain by 16 partner nations, is now targeting first light in March 2029 after repeated delays.€1B0.64Extremely Large Telescope First Light
ESTIMATED56% CONFIDENCEin 2.4 yearsGiven as a target, not a fixed date, per en.wikipedia.org[1]: "…and construction in July 2023, with the expected completion and first light set for March 2029.[13][…"A 39-metre segmented mirror in Chile's Atacama, collecting more light than all existing 8-10 metre telescopes combined. Estimated date.€1.1B0.63Harvard Opens the First Phase of Its Enterprise Research Campus
CONFIRMED90% CONFIDENCE92 days agoThe developers' release says they "were joined on June 23 by Mayor Michelle Wu" to celebrate the opening.[1]Harvard, Tishman Speyer and Breakthrough Properties cut the ribbon on the first phase of the Enterprise Research Campus in Allston: two commercial laboratory buildings called OneMilestone, the 343-apartment Verra, the Atlas Hotel, Harvard's David Rubenstein Treehouse conference centre, 40,000 square feet of retail and more than two acres of public open space. It is the opening move on a 36-acre site, with a Phase B of labs, offices and housing still to be permitted.0.63Grand Paris Express Line 15 South Opens
ESTIMATED58% CONFIDENCEin 8 daysGiven as a target, not a fixed date, per the pin description: "…omated orbital metro ring around Paris. Estimated date.…"The first stretch of Europe's largest transport project: a 33 km automated orbital metro ring around Paris. Estimated date.€42B0.63Louvre Abu Dhabi Opens on Saadiyat Island
Louvre Abu Dhabi, Saadiyat Cultural District, Abu Dhabi, United Arab Emirates
CONFIRMED86% CONFIDENCE8.9 years agoHappened as dated, per the source[1]: "Friday marks five years since Louvre[2] Abu Dhabi welcomed the first members of the public" (published 11 Nov 2022).Jean Nouvel's dome-topped museum, the first Louvre outpost outside France, opens to the public five years behind its original schedule.0.62Hyper-Kamiokande Neutrino Observatory Cavern Completed
Kamioka, Hida, Gifu Prefecture, Japan
CONFIRMED89% CONFIDENCE1.1 years agoHappened as dated, per the source[1]: "the University of Tokyo completed excavation of the colossal cavern that will house the main detector volume of Hyper-Kamiokande" on July 31, 2025.Crews finished excavating the huge cavern in a Japanese mountain that will house the Hyper-Kamiokande neutrino observatory, a step toward the detector's planned start of observations.$600M0.62InterContinental Shanghai Wonderland Opens in a Flooded Quarry
CONFIRMED84% CONFIDENCE7.9 years agoHappened as dated: IHG's own release announcing 'the grand opening of InterContinental Shanghai Wonderland' is dated 15 November 2018, and ArchDaily's project entry gives 'Opened: 15th November 2018'. Wikipedia's[2] 20 November 2018 start of operations is the outlier.IHG opened the InterContinental Shanghai Wonderland, an 18-storey hotel built into the walls of a disused quarry with two underwater floors set against a lit aquarium.0.62Frankfurt's Omniturm, an Early Swing-Use Skyscraper, Opens
CONFIRMED81% CONFIDENCE6.8 years agoHappened as dated, per the source[1]: the tower "was completed and inaugurated in 2019," with reporting placing that milestone in winter of that year.Tishman Speyer's Omniturm opened in Frankfurt as Germany's first true mixed-use high-rise, with separate lobbies letting offices and apartments share the same elevator core without ever mixing.0.61Els Quatre Gats Opens in Barcelona's Casa Martí
CONFIRMED75% CONFIDENCE129.3 years agoWikipedia[1] states the day outright: "The café opened on 12 June 1897 in the celebrated Casa Martí".The café that became the meeting room of Catalan modernisme opened on 12 June 1897 in the Casa Martí, a Puig i Cadafalch building in the Gothic Quarter. It lasted only six years in its first run, but in them it hosted Picasso's first solo exhibition and the circle around Rusiñol and Casas - and he drew its menu card.0.61City of Paris Opens Its Sewers to Public Tours During the 1867 World's Fair
ESTIMATED73% CONFIDENCE159.5 years agoThe Paris[3] sewer museum's own history page states tours "began in 1867, during the World's Fair" without naming an exact day, so the pin uses the Fair's opening date.During the 1867 Exposition Universelle, Paris opened Baron Haussmann's newly rebuilt sewer network to public tours for the first time, turning Eugène Belgrand's engineering into a civic showcase.0.61Prince Albert I Opens the Oceanographic Museum of Monaco
Avenue Saint-Martin, 98000 Monaco-Ville, Monaco
CONFIRMED87% CONFIDENCE116.5 years agoThe museum's own institute (oceano.org[2]) and multiple tourism/history sources date its inauguration by Prince Albert I to 29 March 1910.Monaco's Prince Albert I inaugurated the Oceanographic Museum, an institution he founded to house his marine research, after eleven years of construction into a cliff face above the Mediterranean. The museum, later directed by Jacques Cousteau, remains one of the world's foremost centres for oceanography.0.61
