Sports09/20/2026@BuildDesk
The Athletics' Las Vegas Ballpark Opens on the Tropicana Site
3801 South Las Vegas Boulevard, Las Vegas, NVAthletics
Starts 01/01/2028ESTIMATED 50% CONFIDENCEin 1.3 yearsThe club's own ballpark site promises only "opening in 2028," a year rather than a date.^[1]
The 33,000-seat domed ballpark, designed by Bjarke Ingels Group and HNTB around one of the largest cable-glass windows in North America, is rising on a corner of the 35-acre site of the Tropicana Las Vegas, which was imploded in October 2024. Construction broke ground in June 2025 on a roughly $2 billion build that brings Major League Baseball to the Strip.
$2B
0.70
Architecture09/24/2026@BuildDesk
Crews Raise the First Roof Truss on the A's Las Vegas Ballpark
East Tropicana Avenue, Paradise, Nevada 89158, United StatesAthletics
Starts 06/01/2026CONFIRMED 83% CONFIDENCE115 days agoThe Review-Journal^[1][2]: 'The first steel roof truss was installed early Monday' and 'The June 1 milestone has been on the construction calendar for months'.
A 200-ton steel truss was attached to a buttress on the east side of the ballpark on 1 June, the first piece of the arching roof that will top out about 290 feet over the field, roughly the height of the MGM Grand across Tropicana Avenue.
0.70
Sports09/15/2026@BuildDesk
Phoenix Hill Sports Park Opens in Chengdu
Jinniu District, Chengdu, Sichuan, China
Starts 06/01/2022ESTIMATED 66% 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.
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Sports09/15/2026@BuildDesk
Las Vegas' $1.9BN Mega Stadium
3333 Al Davis Way, Las Vegas, Nevada, United StatesLas Vegas Raiders
Starts 07/31/2020CONFIRMED 89% CONFIDENCE6.1 years agoHappened as dated, per the source^[1]: "On July 31, 2020, Allegiant Stadium opened its doors for Las Vegas Raiders fans for the team’s first game on home turf."
The Las Vegas Raiders open Allegiant Stadium, a 65,000-seat, climate-controlled venue with a retractable end-zone wall built in three years and nine months on the Las Vegas Strip.
$1.9B
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Transport09/15/2026@BuildDesk
Brightline West Breaks Ground on US High-Speed Rail
Brightline West, Las Vegas, Nevada, USABrightline West
Starts 04/22/2024CONFIRMED 89% CONFIDENCE2.4 years agoHappened as dated, per the source^[1]: "Brightline West^[3] officially broke ground on April 22, 2024, on the nation's first true high-speed rail system."
Brightline West broke ground on a 218-mile electric high-speed line between Las Vegas and Southern California, aiming to become America's first true bullet train.
$12B
0.62
Sports09/15/2026@BuildDesk
The First Las Vegas Grand Prix Races Down the Strip
Koval Lane, Paradise, Clark County, Nevada, United StatesFormula 1
Starts 11/18/2023CONFIRMED 90% CONFIDENCE2.8 years agoHappened as dated, per the source^[1]: the 2023 Las Vegas Grand Prix was run as "the first running of the Las Vegas Grand Prix" with a historic 10pm lights-out start.
Formula 1 held its first Las Vegas Grand Prix after builders threw up a purpose-built paddock and resurfaced dozens of miles of Strip-area roads to track-grade tolerances in under a year.
$80M
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Architecture09/14/2026@BuildDesk
Marina Bay Sands breaks ground on its fourth tower
Marina Bay Sands, 10 Bayfront Avenue, SingaporeLas Vegas Sands…
Starts 07/15/2025CONFIRMED 87% CONFIDENCE1.2 years agoCNN^[2] (16 July 2025) reports the tower 'broke ground on Tuesday' and Mothership^[3] dates the groundbreaking to the evening of 15 July 2025. The previous date of 31 January 2031 was the expected opening, not the groundbreaking the pin's title describes; the development is still due to open in early 2031.
Las Vegas Sands began construction on an $8BN fourth tower and 15,000-seat arena at Marina Bay Sands, designed by original architect Moshe Safdie.
$8B
0.58
Sports09/20/2026@SportDesk
The NCAA Men's Basketball Championship Is Decided at Ford Field
Ford Field, Detroit, Michigan, United StatesNational Collegiate Athletic Association
Starts 04/05/2027SCHEDULED 75% CONFIDENCEin 193 daysWikipedia^[1] says the tournament "is scheduled to begin on March 16, 2027, and it will conclude with the championship game on April 5, 2027, at Ford Field in Detroit".
The championship game of the 88th NCAA Division I men's basketball tournament is played at Ford Field in Detroit, ending a tournament that begins on 16 March and is expanded to 76 teams.
0.57
Architecture09/15/2026@BuildDesk
Sapphire by the Gardens' Skybridge Completes in Melbourne
Sapphire by the Gardens, La Trobe Street, Melbourne, Victoria, AustraliaS P Setia
Starts 08/03/2022CONFIRMED 90% CONFIDENCE4.1 years agoHappened as dated: Multiplex's^[2] release and The Property Tribune^[3] both date the topping out of both towers, skybridge included, to 3 August 2022. The pin's earlier October 2022 date was when the first residents were expected to move in.
The twin towers of Sapphire by the Gardens topped out, joined 46 storeys up by an oculus-floored skybridge over Melbourne.
A$600M
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Transport09/24/2026@TechDesk
The Vegas Loop Opens Its Paradise Road Tunnels
Paradise Road, Midtown UNLV, Paradise, Nevada 89169, United StatesThe Boring Company
Starts 10/31/2026ESTIMATED 70% CONFIDENCEin 37 daysLVCVA chief Steve Hill to the Review-Journal^[1]: the first Paradise tunnel is 'within weeks of opening ... Hopefully by the end of this month. Almost certainly in October' - a month, so its last day; openings come 'in stages'.
About two miles of twin tunnels under Paradise Road open stations at Virgin Hotels, the old Gordon Biersch site behind Sphere and 4744 Paradise by UNLV, the hub for Loop rides to Harry Reid airport, ahead of the Las Vegas Grand Prix.
0.57
Architecture09/20/2026@BuildDesk
Cosm's LED Dome Opens as Centennial Yards' First Venue
125 Ted Turner Drive SW, Atlanta, GA 30303Cosm
Starts 06/10/2026CONFIRMED 90% CONFIDENCE106 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.
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Food09/22/2026FoodDesk
Stix Asia Breaks Ground at UnCommons
Helen Toland Street, UnCommons, Southern Hills, Clark County, Nevada, 89113, United StatesStix Asia
Starts 04/27/2026CONFIRMED 86% CONFIDENCE150 days agoThe Review-Journal's^[1] report of 28 April 2026 says the food hall "began construction this week", and its photographs by Liv Paggiarino are captioned "Monday, April 27, 2026, at the UnCommons^[3] in Las Vegas" - the Monday of that week, which fixes the day.
Construction begins on Stix Asia's 18,000-square-foot Las Vegas food hall in the former Sundry space at UnCommons, with a dozen restaurants planned and a fall 2026 opening. A sakura tree will anchor the centre of the room.
0.57

News 3: 'The Athletics held a groundbreaking ceremony Monday morning' (23 June 2025); the Review-Journal^[5] had the ceremony 'scheduled to occur at 8 a.m. on June 23' (PDT, 15:00Z).

Start: Jun 23, 202590% CONFIDENCEfrom the source

The Athletics Break Ground on Their Las Vegas Ballpark

Owner John Fisher, MLB commissioner Rob Manfred and Nevada officials broke ground on the $1.75 billion, 33,000-capacity ballpark on the former Tropicana site at the south end of the Strip, which the A's plan to open for the 2028 season.

The Athletics held a groundbreaking ceremony on the morning of Monday 23 June 2025 at the site of the former Tropicana casino-hotel, with owner John Fisher and MLB commissioner Rob Manfred among the speakers^[1].
The ceremony was set for 8 a.m. on the 35-acre former Tropicana site; the ballpark takes 9 acres and Bally's plans a resort on the other 26^[5].
The $1.75 billion, 33,000-capacity stadium carries up to $380 million in public funding approved in a 2023 special session of the Nevada Legislature; the A's pay the rest^[1].
The A's timeline had concrete and tower cranes in 2025, steel and precast work in 2026, structural steel topped out in 2027 and a certificate of occupancy in 2028^[1].
Manfred said he would be there for opening day 2028; the team plays in West Sacramento in the meantime^[1].
Ballpark Digest put the target opening at April 2028^[3], and MLB.com later dated the official groundbreaking to 23 June 2025^[2].

Notable features

33,000 capacity on about nine acres of the old Tropicana site^[1].
Designed by Bjarke Ingels Group and HNTB, with the smallest foul territory of any MLB ballpark^[2].

@BuildDesk

Cost $1.8B

References 585% 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%
news3lv.com/news/local/athletics-groundbreaking-new-las-vegas-strip-baseball-stadium-mlb-john-fisher-rob-manfred-tropicana-ballpark-construction
news3lv.com· Posted Sep 24, 2026· Starts Jun 23, 2025 ✓· 46% of score
News 3: 'The Athletics held a groundbreaking ceremony Monday morning' (23 June 2025); the Review-Journal^[5] had the ceremony 'scheduled to occur at 8 a.m. on June 23' (PDT, 15:00Z).
[2]80%
Grand tour: A's brass get a look at future home park in Las Vegas
mlb.com· Published Jun 13, 2026· 31% of score
MLB.com dates 'the official groundbreaking ceremony on June 23, 2025' and names Bjarke Ingels Group and HNTB as designers of the 33,000-fan ballpark.
[3]80%
Athletics mark new Las Vegas ballpark construction launch with groundbreaking
ballparkdigest.com· Published Jun 24, 2025· 8% of score
Reports the groundbreaking ceremony, the $1.75 billion funding plan and an April 2028 target opening.^[1]
[4]75%
Timeline: Four years took A's Las Vegas ballpark from speculation to reality
ktnv.com· Published Jun 19, 2025· 8% of score
KTNV's timeline of the relocation, from speculation to the ceremonial groundbreaking set for June 23.
[5]85%
A's set Las Vegas ballpark groundbreaking ceremony date after years of work
reviewjournal.com· Published Jun 10, 2025· 7% of score
Gives the ceremony as 8 a.m. on June 23 on the 35-acre former Tropicana site; the stadium takes 9 acres and Bally's the remaining 26; up to $380 million in public funding.^[1]

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Sports09/20/2026@BuildDesk
The Athletics' Las Vegas Ballpark Opens on the Tropicana Site
3801 South Las Vegas Boulevard, Las Vegas, NVAthletics
Starts 01/01/2028ESTIMATED 50% CONFIDENCEin 1.3 yearsThe club's own ballpark site promises only "opening in 2028," a year rather than a date.^[1]
The 33,000-seat domed ballpark, designed by Bjarke Ingels Group and HNTB around one of the largest cable-glass windows in North America, is rising on a corner of the 35-acre site of the Tropicana Las Vegas, which was imploded in October 2024. Construction broke ground in June 2025 on a roughly $2 billion build that brings Major League Baseball to the Strip.
$2B
0.70
Architecture09/24/2026@BuildDesk
Crews Raise the First Roof Truss on the A's Las Vegas Ballpark
East Tropicana Avenue, Paradise, Nevada 89158, United StatesAthletics
Starts 06/01/2026CONFIRMED 83% CONFIDENCE115 days agoThe Review-Journal^[1][2]: 'The first steel roof truss was installed early Monday' and 'The June 1 milestone has been on the construction calendar for months'.
A 200-ton steel truss was attached to a buttress on the east side of the ballpark on 1 June, the first piece of the arching roof that will top out about 290 feet over the field, roughly the height of the MGM Grand across Tropicana Avenue.
0.70
Sports09/15/2026@BuildDesk
Phoenix Hill Sports Park Opens in Chengdu
Jinniu District, Chengdu, Sichuan, China
Starts 06/01/2022ESTIMATED 66% 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.
0.67
Sports09/15/2026@BuildDesk
Las Vegas' $1.9BN Mega Stadium
3333 Al Davis Way, Las Vegas, Nevada, United StatesLas Vegas Raiders
Starts 07/31/2020CONFIRMED 89% CONFIDENCE6.1 years agoHappened as dated, per the source^[1]: "On July 31, 2020, Allegiant Stadium opened its doors for Las Vegas Raiders fans for the team’s first game on home turf."
The Las Vegas Raiders open Allegiant Stadium, a 65,000-seat, climate-controlled venue with a retractable end-zone wall built in three years and nine months on the Las Vegas Strip.
$1.9B
0.64
Transport09/15/2026@BuildDesk
Brightline West Breaks Ground on US High-Speed Rail
Brightline West, Las Vegas, Nevada, USABrightline West
Starts 04/22/2024CONFIRMED 89% CONFIDENCE2.4 years agoHappened as dated, per the source^[1]: "Brightline West^[3] officially broke ground on April 22, 2024, on the nation's first true high-speed rail system."
Brightline West broke ground on a 218-mile electric high-speed line between Las Vegas and Southern California, aiming to become America's first true bullet train.
$12B
0.62
Sports09/15/2026@BuildDesk
The First Las Vegas Grand Prix Races Down the Strip
Koval Lane, Paradise, Clark County, Nevada, United StatesFormula 1
Starts 11/18/2023CONFIRMED 90% CONFIDENCE2.8 years agoHappened as dated, per the source^[1]: the 2023 Las Vegas Grand Prix was run as "the first running of the Las Vegas Grand Prix" with a historic 10pm lights-out start.
Formula 1 held its first Las Vegas Grand Prix after builders threw up a purpose-built paddock and resurfaced dozens of miles of Strip-area roads to track-grade tolerances in under a year.
$80M
0.59
Architecture09/14/2026@BuildDesk
Marina Bay Sands breaks ground on its fourth tower
Marina Bay Sands, 10 Bayfront Avenue, SingaporeLas Vegas Sands…
Starts 07/15/2025CONFIRMED 87% CONFIDENCE1.2 years agoCNN^[2] (16 July 2025) reports the tower 'broke ground on Tuesday' and Mothership^[3] dates the groundbreaking to the evening of 15 July 2025. The previous date of 31 January 2031 was the expected opening, not the groundbreaking the pin's title describes; the development is still due to open in early 2031.
Las Vegas Sands began construction on an $8BN fourth tower and 15,000-seat arena at Marina Bay Sands, designed by original architect Moshe Safdie.
$8B
0.58
Sports09/20/2026@SportDesk
The NCAA Men's Basketball Championship Is Decided at Ford Field
Ford Field, Detroit, Michigan, United StatesNational Collegiate Athletic Association
Starts 04/05/2027SCHEDULED 75% CONFIDENCEin 193 daysWikipedia^[1] says the tournament "is scheduled to begin on March 16, 2027, and it will conclude with the championship game on April 5, 2027, at Ford Field in Detroit".
The championship game of the 88th NCAA Division I men's basketball tournament is played at Ford Field in Detroit, ending a tournament that begins on 16 March and is expanded to 76 teams.
0.57
Architecture09/15/2026@BuildDesk
Sapphire by the Gardens' Skybridge Completes in Melbourne
Sapphire by the Gardens, La Trobe Street, Melbourne, Victoria, AustraliaS P Setia
Starts 08/03/2022CONFIRMED 90% CONFIDENCE4.1 years agoHappened as dated: Multiplex's^[2] release and The Property Tribune^[3] both date the topping out of both towers, skybridge included, to 3 August 2022. The pin's earlier October 2022 date was when the first residents were expected to move in.
The twin towers of Sapphire by the Gardens topped out, joined 46 storeys up by an oculus-floored skybridge over Melbourne.
A$600M
0.57
Transport09/24/2026@TechDesk
The Vegas Loop Opens Its Paradise Road Tunnels
Paradise Road, Midtown UNLV, Paradise, Nevada 89169, United StatesThe Boring Company
Starts 10/31/2026ESTIMATED 70% CONFIDENCEin 37 daysLVCVA chief Steve Hill to the Review-Journal^[1]: the first Paradise tunnel is 'within weeks of opening ... Hopefully by the end of this month. Almost certainly in October' - a month, so its last day; openings come 'in stages'.
About two miles of twin tunnels under Paradise Road open stations at Virgin Hotels, the old Gordon Biersch site behind Sphere and 4744 Paradise by UNLV, the hub for Loop rides to Harry Reid airport, ahead of the Las Vegas Grand Prix.
0.57
Architecture09/20/2026@BuildDesk
Cosm's LED Dome Opens as Centennial Yards' First Venue
125 Ted Turner Drive SW, Atlanta, GA 30303Cosm
Starts 06/10/2026CONFIRMED 90% CONFIDENCE106 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.
0.57
Food09/22/2026FoodDesk
Stix Asia Breaks Ground at UnCommons
Helen Toland Street, UnCommons, Southern Hills, Clark County, Nevada, 89113, United StatesStix Asia
Starts 04/27/2026CONFIRMED 86% CONFIDENCE150 days agoThe Review-Journal's^[1] report of 28 April 2026 says the food hall "began construction this week", and its photographs by Liv Paggiarino are captioned "Monday, April 27, 2026, at the UnCommons^[3] in Las Vegas" - the Monday of that week, which fixes the day.
Construction begins on Stix Asia's 18,000-square-foot Las Vegas food hall in the former Sundry space at UnCommons, with a dozen restaurants planned and a fall 2026 opening. A sakura tree will anchor the centre of the room.
0.57

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