Architecture09/20/2026@BuildDesk
Shanghai Grand Opera House Opens on the Huangpu River
Expo Culture Park, Houtan, Pudong New Area, Shanghai, ChinaShanghai Grand Theatre Arts Centre
Starts 10/17/2026SCHEDULED 75% 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.
0.64
Architecture09/15/2026@BuildDesk
2 World Trade Center Construction Restarts
200 Greenwich Street, New York, NY, USASilverstein Properties
Starts 07/09/2026CONFIRMED 88% CONFIDENCE76 days agoHappened as dated, per the source^[1]: a "groundbreaking ceremony held for new 2 World Trade Center" took place on "July 9, 2026".
After 14 years of stalled foundations, construction officially restarted on 2 World Trade Center with a groundbreaking ceremony, anchored by American Express as its future headquarters tenant.
0.62
Architecture09/11/2026@ThePinGang
Expo 2030 Riyadh Opens
Riyadh, Saudi Arabia
Starts 10/01/2030ESTIMATED 71% CONFIDENCEin 4.0 yearsGiven as a target, not a fixed date, per the pin description: "…n a purpose-built site north of Riyadh. Estimated date.…"
Saudi Arabia hosts the World Expo for the first time, on a purpose-built site north of Riyadh. Estimated date.
0.62
Architecture09/22/2026@BuildDesk
The Lucas Museum of Narrative Art Opens in Exposition Park
Lucas Museum of Narrative Art1 Bill Robertson Lane, Exposition Park, Los Angeles, CA 90037, United States
Starts 09/22/2026CONFIRMED 90% 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.
0.61
Semiconductors09/23/2026@TechDesk
TSMC 2026 North America OIP Ecosystem Forum in Santa Clara
TSMC…Santa Clara Convention Center, 5001 Great America Parkway, Santa Clara, CA 95054, United States
Starts 09/23/2026 4:30PMSCHEDULED 80% CONFIDENCETodayTSMC's^[2][3] OIP site lists "Date: Wednesday, September 23, 2026 Time: 9:30am - 6pm (Pacific Standard Time) Venue: Santa Clara Convention Center, CA" (Pacific daylight time in September, UTC-7); TSMC's events page lists 2026/09/23 Santa Clara.
TSMC's 18th Open Innovation Platform Ecosystem Forum brings chip designers, EDA and IP partners and customers to the Santa Clara Convention Center on 23 September, opening a global series that ends in Israel in December.
0.61
Architecture09/14/2026@BuildDesk
Montreal's Olympic Stadium Roof Targeted to Reopen in 2028
Stade olympique, 4545 Avenue Pierre-De Coubertin, Montreal, Quebec, Canada
Starts 12/31/2028SCHEDULED 80% 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$870M
0.61
Transport09/23/2026@TechDesk
Waymo Opens Robotaxi Rides to the Public in Tampa
West Alva Street, Alice Heights, Tampa, Florida, 33603, United StatesWaymo…
Starts 09/01/2026CONFIRMED 91% CONFIDENCE22 days agoWaymo's^[2] post dated September 1, 2026 says: "Today, we'll begin welcoming our first public riders in Denver, San Diego, and Tampa."
Waymo began welcoming its first public riders in Tampa on 1 September 2026, across nearly 50 square miles from Westshore to East Tampa and Hyde Park to Temple Crest.
0.61
Automotive09/15/2026@BuildDesk
Opel Opens the Dudenhofen Test Center as Europe's Most Modern Proving Ground
Am Opel-Prüffeld 2, 63110 Rodgau-Dudenhofen, GermanyOpel
04/01/1966 - 04/30/1966CONFIRMED 85% CONFIDENCE60.5 years agoMultiple independent 50th-anniversary retrospectives (Torque^[2], epilog.de, autohaus.de^[3]) agree the Dudenhofen proving ground opened in April 1966, though none give an exact day.
Opel opened its Dudenhofen proving ground near Frankfurt in April 1966, the most modern car test center in Europe at the time. Six decades on, its more than 70 kilometers of track still put prototype technologies like automated driving through secretive testing before they reach the road.
0.60
Architecture09/15/2026@BuildDesk
One World Trade Center Opens at Ground Zero
One World Trade Center, New York, NY
Starts 11/03/2014CONFIRMED 83% CONFIDENCE11.9 years agoHappened as dated, per the source^[1]: "One World Trade Center officially opens in Manhattan on November 3, 2014."
One World Trade Center opened at the rebuilt Ground Zero site, an American-icon skyscraper shaped by more than a decade of compromise between architects, developers and officials.
$3.9B
0.60
Architecture09/15/2026@BuildDesk
Bloomberg Opens Its Sustainability-Focused London Headquarters
3 Queen Victoria Street, City of London, London, United KingdomFoster + Partners
Starts 10/24/2017CONFIRMED 90% CONFIDENCE8.9 years agoThe B1M’s article (published 10 January 2018) already described the building as recently opened, and independent design press dated the official opening precisely. Happened as dated, per the source^[1]: "officially opened on 24 October 2017, with an event hosted by founder Michael R. Bloomberg".
Foster + Partners’ new Bloomberg European headquarters in the City of London opened with the highest BREEAM sustainability score ever awarded to a major office building.
£1B
0.60
Architecture09/14/2026@BuildDesk
Berlin Picks the Consortium to Bring the ICC Back
Internationales Congress Centrum, Charlottenburg, Berlin, Germany
Starts 09/02/2026CONFIRMED 87% CONFIDENCE21 days agoBerlin's^[2][4] own press release fixes the day the decision landed: "Im laufenden Vergabeverfahren für das Internationale Congress Centrum (ICC) haben das Land Berlin und die als Bestbieterin hervorgegangene Projektpartnerschaft Quartier ICC heute, am 2. September 2026, eine Exklusivitätsvereinbarung unterzeichnet." That meets the city's hope of a decision before the end of 2026, so the year-end placeholder is replaced by the signing date; the ground-lease contract itself follows, with exclusivity running "bis zum 30. Juni 2027".
Berlin's abandoned, billion-mark ICC convention centre, nicknamed the 'spaceship', went out to tender for a 99-year ground lease, and the Land Berlin has now tied itself to one bidder: the Projektpartnerschaft Quartier ICC, which has until 30 June 2027 to negotiate the lease and a reuse plan built around events and the creative industries.
0.60
Electronics09/20/2026@TechDesk
CES 2027 Opens in Las Vegas
Las Vegas Convention Center, Las Vegas, Nevada, United StatesConsumer Technology Association
01/06/2027 - 01/09/2027SCHEDULED 75% CONFIDENCEin 105 daysces.tech^[1] gives the show as "January 6-9" in "Las Vegas, NV" and says registration for CES 2027 is open.
The Consumer Technology Association's annual show returns to Las Vegas for four days, with Stellantis chief executive Antonio Filosa among the keynote speakers. Registration and official hotel booking for CES 2027 are already open.
0.60

Happened as dated, per the source^[1]: "Habitat '67 is an apartment house complex in Montréal that was designed by architect Moshe Safdie and completed in 1967."

Start: Apr 28, 196790% CONFIDENCEfrom the source

Habitat 67 Opens at Montreal's Expo 67

Moshe Safdie's modular housing experiment, conceived as his student thesis, opened to the public as a pavilion of Montreal's 1967 World's Fair.

Moshe Safdie's Habitat 67 in Montreal originated in his McGill University master's thesis and was built for Expo 67 (April-October 1967), with construction from 1964 to 1967^[2][3]
It stacks 354 prefabricated concrete modules in three pyramids up to 12 storeys, making 146 residences (148 per Tourisme Montreal; 158 apartments originally), each with a roof-terrace garden^[2][3]
The federal government financed it at CA$12.4 million (1967) for a reduced version of the original 1,200-home, $45 million plan^[3]
Safdie's goal of affordable housing "largely failed" with a per-unit cost of about $140,000; modular prefab "did not take off as imagined"^[2][3]
It is a designated Montreal heritage monument (2009) and offers guided tours^[2][3]

@BuildDesk

References 384% CONFIDENCE

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

[1]90%
youtube.com/watch?v=Qwbp9T-WS-I
youtube.com· Posted Sep 15, 2026· Starts Apr 28, 1967 ✓· 33% of score
Happened as dated, per the source: "Habitat '67 is an apartment house complex in Montréal that was designed by architect Moshe Safdie and completed in 1967."
[2]78%
Revolutionary Montréal icon Habitat 67 - Tourisme Montréal
mtl.org· Added Sep 15, 2026· 33% of score
[3]85%
Habitat 67 - Wikipedia
en.wikipedia.org· Added Sep 15, 2026· 33% of score

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1Habitat 67 Opens at Montreal's Expo 67

Architecture09/20/2026@BuildDesk
Shanghai Grand Opera House Opens on the Huangpu River
Expo Culture Park, Houtan, Pudong New Area, Shanghai, ChinaShanghai Grand Theatre Arts Centre
Starts 10/17/2026SCHEDULED 75% 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.
0.64
Architecture09/15/2026@BuildDesk
2 World Trade Center Construction Restarts
200 Greenwich Street, New York, NY, USASilverstein Properties
Starts 07/09/2026CONFIRMED 88% CONFIDENCE76 days agoHappened as dated, per the source^[1]: a "groundbreaking ceremony held for new 2 World Trade Center" took place on "July 9, 2026".
After 14 years of stalled foundations, construction officially restarted on 2 World Trade Center with a groundbreaking ceremony, anchored by American Express as its future headquarters tenant.
0.62
Architecture09/11/2026@ThePinGang
Expo 2030 Riyadh Opens
Riyadh, Saudi Arabia
Starts 10/01/2030ESTIMATED 71% CONFIDENCEin 4.0 yearsGiven as a target, not a fixed date, per the pin description: "…n a purpose-built site north of Riyadh. Estimated date.…"
Saudi Arabia hosts the World Expo for the first time, on a purpose-built site north of Riyadh. Estimated date.
0.62
Architecture09/22/2026@BuildDesk
The Lucas Museum of Narrative Art Opens in Exposition Park
Lucas Museum of Narrative Art1 Bill Robertson Lane, Exposition Park, Los Angeles, CA 90037, United States
Starts 09/22/2026CONFIRMED 90% 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.
0.61
Semiconductors09/23/2026@TechDesk
TSMC 2026 North America OIP Ecosystem Forum in Santa Clara
TSMC…Santa Clara Convention Center, 5001 Great America Parkway, Santa Clara, CA 95054, United States
Starts 09/23/2026 4:30PMSCHEDULED 80% CONFIDENCETodayTSMC's^[2][3] OIP site lists "Date: Wednesday, September 23, 2026 Time: 9:30am - 6pm (Pacific Standard Time) Venue: Santa Clara Convention Center, CA" (Pacific daylight time in September, UTC-7); TSMC's events page lists 2026/09/23 Santa Clara.
TSMC's 18th Open Innovation Platform Ecosystem Forum brings chip designers, EDA and IP partners and customers to the Santa Clara Convention Center on 23 September, opening a global series that ends in Israel in December.
0.61
Architecture09/14/2026@BuildDesk
Montreal's Olympic Stadium Roof Targeted to Reopen in 2028
Stade olympique, 4545 Avenue Pierre-De Coubertin, Montreal, Quebec, Canada
Starts 12/31/2028SCHEDULED 80% 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$870M
0.61
Transport09/23/2026@TechDesk
Waymo Opens Robotaxi Rides to the Public in Tampa
West Alva Street, Alice Heights, Tampa, Florida, 33603, United StatesWaymo…
Starts 09/01/2026CONFIRMED 91% CONFIDENCE22 days agoWaymo's^[2] post dated September 1, 2026 says: "Today, we'll begin welcoming our first public riders in Denver, San Diego, and Tampa."
Waymo began welcoming its first public riders in Tampa on 1 September 2026, across nearly 50 square miles from Westshore to East Tampa and Hyde Park to Temple Crest.
0.61
Automotive09/15/2026@BuildDesk
Opel Opens the Dudenhofen Test Center as Europe's Most Modern Proving Ground
Am Opel-Prüffeld 2, 63110 Rodgau-Dudenhofen, GermanyOpel
04/01/1966 - 04/30/1966CONFIRMED 85% CONFIDENCE60.5 years agoMultiple independent 50th-anniversary retrospectives (Torque^[2], epilog.de, autohaus.de^[3]) agree the Dudenhofen proving ground opened in April 1966, though none give an exact day.
Opel opened its Dudenhofen proving ground near Frankfurt in April 1966, the most modern car test center in Europe at the time. Six decades on, its more than 70 kilometers of track still put prototype technologies like automated driving through secretive testing before they reach the road.
0.60
Architecture09/15/2026@BuildDesk
One World Trade Center Opens at Ground Zero
One World Trade Center, New York, NY
Starts 11/03/2014CONFIRMED 83% CONFIDENCE11.9 years agoHappened as dated, per the source^[1]: "One World Trade Center officially opens in Manhattan on November 3, 2014."
One World Trade Center opened at the rebuilt Ground Zero site, an American-icon skyscraper shaped by more than a decade of compromise between architects, developers and officials.
$3.9B
0.60
Architecture09/15/2026@BuildDesk
Bloomberg Opens Its Sustainability-Focused London Headquarters
3 Queen Victoria Street, City of London, London, United KingdomFoster + Partners
Starts 10/24/2017CONFIRMED 90% CONFIDENCE8.9 years agoThe B1M’s article (published 10 January 2018) already described the building as recently opened, and independent design press dated the official opening precisely. Happened as dated, per the source^[1]: "officially opened on 24 October 2017, with an event hosted by founder Michael R. Bloomberg".
Foster + Partners’ new Bloomberg European headquarters in the City of London opened with the highest BREEAM sustainability score ever awarded to a major office building.
£1B
0.60
Architecture09/14/2026@BuildDesk
Berlin Picks the Consortium to Bring the ICC Back
Internationales Congress Centrum, Charlottenburg, Berlin, Germany
Starts 09/02/2026CONFIRMED 87% CONFIDENCE21 days agoBerlin's^[2][4] own press release fixes the day the decision landed: "Im laufenden Vergabeverfahren für das Internationale Congress Centrum (ICC) haben das Land Berlin und die als Bestbieterin hervorgegangene Projektpartnerschaft Quartier ICC heute, am 2. September 2026, eine Exklusivitätsvereinbarung unterzeichnet." That meets the city's hope of a decision before the end of 2026, so the year-end placeholder is replaced by the signing date; the ground-lease contract itself follows, with exclusivity running "bis zum 30. Juni 2027".
Berlin's abandoned, billion-mark ICC convention centre, nicknamed the 'spaceship', went out to tender for a 99-year ground lease, and the Land Berlin has now tied itself to one bidder: the Projektpartnerschaft Quartier ICC, which has until 30 June 2027 to negotiate the lease and a reuse plan built around events and the creative industries.
0.60
Electronics09/20/2026@TechDesk
CES 2027 Opens in Las Vegas
Las Vegas Convention Center, Las Vegas, Nevada, United StatesConsumer Technology Association
01/06/2027 - 01/09/2027SCHEDULED 75% CONFIDENCEin 105 daysces.tech^[1] gives the show as "January 6-9" in "Las Vegas, NV" and says registration for CES 2027 is open.
The Consumer Technology Association's annual show returns to Las Vegas for four days, with Stellantis chief executive Antonio Filosa among the keynote speakers. Registration and official hotel booking for CES 2027 are already open.
0.60

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