On this day, May 31

Pins on May 31 going back to 1970: 24.

In 2,005: Vanity Fair reveals that Mark Felt was "Deep Throat". (Wikipedia)

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2026

Food09/22/2026FoodDesk
Jacaranda Opens in Los Angeles
6623, Melrose Avenue, Fairfax, Los Angeles, Los Angeles County, California, 90038, United StatesJacaranda
Starts 05/31/2026ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins84% CONFIDENCEOverall confidence: 84%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better153 days ago
The New York Times' Restaurant List 2026 (15 September 2026) gives the opening only as May 2026, with no day. The pin sits on the last day of that month by this vertical's month-only convention, so the real opening day may be earlier in the month.^[1]
Daniel Patterson, best known for Coi in San Francisco, returns to fine dining with a 12-course tasting menu on Melrose Avenue, with his wife Sarah Lewitinn and pastry chef Matt Tinder.

On this day, May 31 · Chronopin

2025

Transport09/20/2026@BuildDesk
Arizona Finishes the I-10 Broadway Curve Rebuild
Interstate 10 at Broadway Road, Phoenix, AZ 85040Arizona Department of Transportation
Starts 05/31/2025CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins85% CONFIDENCEOverall confidence: 85%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better1.4 years ago
ADOT's completion announcement gives the finish as May 31, 2025, saying construction "began in summer 2021" and is now complete.^[1]
ADOT wrapped up its largest urban freeway reconstruction, widening 11 miles of Interstate 10 from just south of Ray Road to Interstate 17 near Sky Harbor with extra travel and HOV lanes, collector-distributor roads, a rebuilt SR 143 interchange and new bridges at 48th Street and Broadway Road. Construction had run since summer 2021 and cost more than $800 million.
$800M
Property10/10/2026@BuildDesk
Sol Apartments and Townhomes — Denver affordable housing
2699 West 10th Avenue, Denver, CO 80204Denver Housing Authority
Starts 05/31/2025ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins70% CONFIDENCEOverall confidence: 70%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence1.4 years ago
Estimated timeline boundary: Grand opening reported during May 2025. The date represents the end of the published window, not an announced exact day; completion and move-in remain distinct.^[1]
Sol is a 169-home mixed-income community in the Sun Valley redevelopment, with a rooftop amenity deck, fitness center and playground. Grand opening reported during May 2025. Published rents: Affordable 1 bedroom, qualifying form branch From $1,539, Affordable 2 bedrooms, qualifying form branch From $1,846.

2017

Energy06/19/2017@ThePinGang
China Is Now Powered by the World's Largest Floating Solar Power Plant
05/31/2017 - 06/01/2017CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins84% CONFIDENCEOverall confidence: 84%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better9.4 years ago
Happened as dated, per interestingengineering.com^[1]: "…ovoltaic (PV) inverter system supplier, announced the world’s largest floating PV power plant is sup…"
China recently unveiled the largest floating solar power plant on earth which supplies 40MW of power to the grid in Huainan, China.
Marine09/15/2026@BuildDesk
MSC Meraviglia Megaship Delivered at Saint-Nazaire Shipyard
Saint-Nazaire, FranceChantiers de l'Atlantique
Starts 05/31/2017CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins88% CONFIDENCEOverall confidence: 88%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better9.4 years ago
MSC Cruises' own press release states the Meraviglia was delivered and came into service on 31 May 2017 ("MSC CRUISES CELEBRATES THE COMING INTO SERVICE OF MSC MERAVIGLIA").^[1]
MSC Cruises took delivery of the 315-metre, 171,598-tonne MSC Meraviglia from the STX France shipyard in Saint-Nazaire, one of the largest cruise ships ever built, carrying more than 5,700 guests.
Food10/09/2026FoodDesk
Rue Saint-Marc — Jacksonville restaurant guide
2103 San Marco Blvd, Jacksonville, FL 32207Rue Saint-Marc
Starts 05/31/2017ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins95% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better9.4 years ago
Opened in May 2017 (month only, so estimated at month end), per news4jax.com. Restaurant information verified October 9, 2026.^[1]
Seasonal French cooking with à la carte and tasting menus.
$$$$
Property10/10/2026@BuildDesk
Wynne Senior Residences — Philadelphia affordable housing
2001 N. 54th Street, Philadelphia, PA 19131Pennrose Management Company
Starts 05/31/2017ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins79% CONFIDENCEOverall confidence: 79%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better9.4 years ago
Opening / first-lease date: grand opening recorded only to the month (May 2017) in WORC (St. Joseph's Univ.) - Wynne Senior Residences; the pin sits on the last day of that month. HUD LIHTC: WYNNE SENIOR RESIDENCES YR_PIS 2017. Single local source for month.^[1]
Affordable senior apartments for adults aged 62+ in the Overbrook/Wynnefield neighborhood. Property information reviewed October 10, 2026. Published rents: 1 bedroom — operator-listed $966–$1,168, 2 bedroom — operator-listed $1,140.