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Montreal's Olympic Stadium Roof Targeted to Reopen in 2028
Stade olympique, 4545 Avenue Pierre-De Coubertin, Montreal, Quebec, Canada
SCHEDULED80% CONFIDENCEin 2.3 yearsGiven as scheduled, per the source[1]: "expected to be completed by 2028".Quebec is replacing the perpetually troubled retractable roof of Montreal’s 1976 Olympic Stadium with a new fixed structure, targeting a 2028 reopening.C$870M0.64The Astrodome Opens as the World's First Domed Stadium
NRG Astrodome, NRG Parkway, Houston, Texas
CONFIRMED87% CONFIDENCE61.5 years agoHappened as dated, per sabr.org[3]: "April 9, 1965: Astros beat Yankees in first game inside the Houston Astrodome."The Houston Astrodome, the world's first fixed-roof, air-conditioned multipurpose stadium, opened on 9 April 1965 with an exhibition game between the Astros and Yankees — though it's stood closed and searching for a new use since 2008.0.63Estadio Azteca Reopens After Its World Cup Rebuild
CONFIRMED90% CONFIDENCE179 days agoStadiumDB[1] reports the ground "scheduled to reopen on March 28, 2026", a fixed day that has since passed with the Mexico-Portugal friendly.The ground reopened with Mexico against Portugal after closing in May 2024 for a rebuild covering modern screens, new lighting and redeveloped press areas and entrances, leaving a capacity of about 90,000. It will host five 2026 World Cup matches, making it the only stadium to stage three tournaments.0.63SoFi Stadium Opens in Inglewood With a Ribbon-Cutting
SoFi Stadium, 1001 Champion Drive, Inglewood, California, United States
CONFIRMED82% CONFIDENCE6.0 years agoHappened as dated, per the source[1]: "An official ribbon-cutting ceremony was hosted on September 8".The most expensive stadium ever built opened as the new home of the LA Rams and Chargers, with its first NFL game days later.$5.1B0.62Cosm's LED Dome Opens as Centennial Yards' First Venue
CONFIRMED90% CONFIDENCE105 days agoCosm's[1] own construction update announced that the Atlanta venue "will debut for the public on June 10", and Atlanta News First reported from the opening that day.Cosm opened a 70,000-square-foot, three-level venue built around an 87-foot 12K LED dome in Atlanta's Gulch, showing Game 4 of the NBA Finals on its first night. It is the first attraction finished inside Centennial Yards, the $5 billion, 50-acre redevelopment of the rail gulch between State Farm Arena and Mercedes-Benz Stadium.0.62The Football Association Reopens Wembley Stadium With Its First Match
CONFIRMED82% CONFIDENCE19.5 years agoStadiumDB[3] and Planet Football[2] both confirm the England U21 vs Italy U21 match on March 24, 2007 as the first at the rebuilt Wembley.The rebuilt Wembley Stadium hosted its first match, an England vs Italy Under-21s friendly, after the demolition and reconstruction of the original 1923 stadium. The new 90,000-seat stadium had been delayed by disputes with contractor Multiplex.0.62Broncos Target the 2031 Season to Open Their Burnham Yard Stadium
ESTIMATED50% CONFIDENCEin 4.9 yearsThe team's own stadium FAQ says "the targeted completion for a new stadium would be the 2031 NFL season aligned with the expiration of the Broncos' current lease at Empower Field at Mile High," naming a season rather than a date.[1]Burnham Yard, a former rail yard less than a mile southeast of Empower Field at Mile High, is the Broncos' preferred site for a privately funded retractable-roof stadium anchoring a mixed-use district of parks, housing, shops and restaurants. The Walton-Penner ownership group is paying for the stadium itself, with Denver and Colorado covering surrounding public improvements.0.61The 76ers and Flyers' New South Philadelphia Arena Opens
ESTIMATED50% CONFIDENCEin 4.3 yearsThe teams' own announcement gives a year rather than a day: the arena is "Scheduled to open in 2030" on "the historic Spectrum grounds in South Philadelphia", so it sits at the end of that year.[1]A privately funded arena on the old Spectrum grounds in the South Philadelphia Sports Complex, shared by the 76ers, the Flyers and the city's incoming WNBA team, replacing Xfinity Mobile Arena next door. Construction is expected to start in early 2027 and take about three years.0.61Frank Gehry's MPK 20 Opens at Facebook's Menlo Park Campus
CONFIRMED90% CONFIDENCE11.5 years agoHappened as dated, per the source[1]: "Today we moved into our new Facebook building in Menlo Park, California."Facebook employees moved into MPK 20, a Frank Gehry-designed office building topped by a nine-acre rooftop park, expanding the company's Menlo Park headquarters.0.61Phoenix Hill Sports Park Opens in Chengdu
Jinniu District, Chengdu, Sichuan, China
ESTIMATED66% CONFIDENCE4.3 years agoHappened as dated, per the source[1]: "constructed between 2010 and 2021 and officially opened in 2022."Chengdu opened Phoenix Hill Sports Park, a stadium-and-arena complex built for international sporting events, after more than a decade of construction.0.61New Highmark Stadium Opens for the Buffalo Bills
CONFIRMED85% CONFIDENCE39 days agoHappened as dated, per the source[1]: "The Bills open the team's new stadium on Aug. 15."The Buffalo Bills' roughly $2.1 billion open-air replacement for Highmark Stadium hosted its first game across the road from the team's old venue in Orchard Park, New York.$2.1B0.61Kai Tak Sports Park Opens on Former Hong Kong Airport Site
CONFIRMED89% CONFIDENCE1.6 years agoHappened as dated, per the source[1]: "Kai Tak Sports Park officially opened on March 1, 2025."Hong Kong opened Kai Tak Sports Park, a 50,000-seat stadium and leisure complex built on the runway of the old Kai Tak Airport, closed since 1998.HK$34B0.61
