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The Vessel Opens at Hudson Yards
CONFIRMED89% CONFIDENCE7.5 years agoConfirmed against contemporaneous coverage of the public opening. Happened as dated, per the source[1]: "The Vessel opened to the public on March 15, 2019".Thomas Heatherwick's climbable honeycomb staircase, The Vessel, opens to the public as the centrepiece of Manhattan's new Hudson Yards district.0.62The Lucas Museum of Narrative Art Opens in Exposition Park
CONFIRMED90% CONFIDENCE1 day agoThe museum's own site carries "Opening September 22, 2026" beside its ticket link, so the day comes from the institution itself.[1]George Lucas's museum of narrative art opens to the public on 22 September 2026 in Exposition Park, after a build that ran years past its first target date. It is given over to storytelling as art - illustration, comics, film and the painted image side by side - rather than to a single medium, and it lands beside the Natural History Museum and the California Science Center in the city's museum quarter.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.0.60Notre-Dame de Paris Reopens After 2019 Fire
Notre-Dame de Paris, Paris, France
CONFIRMED89% CONFIDENCE1.8 years agoHappened as dated, per the source[1]: "The reopening ceremony began just after 19:00 CET with the ringing of the cathedral bells for the first time since 2019".Notre-Dame Cathedral reopened to worshippers and visitors on December 7, 2024, five and a half years after a fire gutted its roof and spire.0.60Louvre 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.0.59Europa-Park Opens in Rust, Germany
CONFIRMED82% CONFIDENCE51.2 years agoEuropa-Park's own history and IAAPA's[2] 50th-anniversary retrospective both give July 12, 1975 as the park's opening date.The Mack family opened Europa-Park, a 16-hectare amusement park built around European-themed lands, in the German town of Rust. It has since grown into continental Europe's second-most-visited theme park.0.59Theatercaféen Opens Opposite the National Theatre
ESTIMATED75% CONFIDENCE125.7 years agoThe article states "Theatercaféen opened in 1900" without a month or day, so the pin sits on that year's last day.[1]Theatercaféen opened in 1900 across the street from Oslo's National Theatre and became the room where Norwegian actors, writers and politicians ate after curtain - a Viennese-style café with a gallery, caricatures of its regulars on the walls and live music from a balcony.0.59City 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.0.59The Washington Monument Opens to the Public
CONFIRMED84% CONFIDENCE138.0 years agoHappened as dated, per the source[1]: "opened to the public in Washington, D.C., on this day in history, Oct. 9, 1888".After decades of stalled funding and a visible change in stone partway up its shaft, the Washington Monument finally opened its doors to visitors in 1888.0.59Shanghai Grand Opera House Opens on the Huangpu River
SCHEDULED75% CONFIDENCEin 24 daysPudong's[1] English government news page says the "Shanghai Grand Opera House will open on Oct 17 on the east bank of the Huangpu River", a fixed announced date.The 146,000-square-metre building in Expo Culture Park, designed by ECADI with Snohetta as a spiralling Chinese folding fan, holds the 2,000-seat Harmony Hall, the 1,200-seat Soar Theatre and the 1,000-seat Open Stage, 4,200 seats in all. The opening season runs 47 productions and 82 performances through 20 February 2027.0.59Little Island Opens on the Hudson River
Little Island, Hudson River Park, New York, NY, USA
CONFIRMED84% CONFIDENCE5.3 years agoHappened as dated, per the source[1]: "The park officially opened on May 21, 2021."Little Island, a 2.4-acre park raised on sculpted concrete piles over the Hudson River, opened to the public at the site of Manhattan’s former Pier 54.$260M0.58Demel Opens as a Konditorei by the Hofburg
ESTIMATED75% CONFIDENCE239.7 years agoWikipedia[1] gives the year only - "established in 1786 in Vienna" - with no month or day, so the pin sits on that year's last day.Demel was established in 1786 a few steps from the Hofburg and became confectioner to the imperial court, a title it still puts on its boxes. Its window on the Kohlmarkt and its Anna Torte made it one of the fixtures by which Vienna measures its café culture, and it sits at the centre of a long argument with Hotel Sacher over who may call a cake a Sachertorte.0.58
