Sunday, May 31st, 2026 - 11am-6pm Rain Date June 7th Music, Dancing, Beer Gardens, Artisans, Food, Vendors, Crafts and Patios! More information can be found here: harvardsquare.com/elementor-…

You’re invited! The COOP & the HSBA welcome you to celebrate a Cat in the Hat party full of stories & crafts, green eggs & ham (would you, could you?) and birthday cake—for goodness sake! This free, whimsical celebration is just right for families. harvardsquare.com/happy-birt…

It's going to be another frigid weekend! We’re postponing our 16th Annual 'Some Like it Hot' Chili Cookoff until Sat. 3/14. We look forward to seeing you at 1pm for the hottest & best chili from your favorite Harvard Sq. restaurants. Live music, dancing & tons of fun! GO PATS!!

The HSBA is delighted to announce Sparklefest 2026 - a Celebration of the Holiday Arts! Sparklefest consists of five weeks of merrymaking in Harvard Square that starts with The Charles Hotel Tree Lighting and culminates on New Year's Eve. harvardsquare.com/sparklefes…

Get ready for a hauntingly good time this Halloween in Harvard Square! Dress up and let the chills begin. Harvard Square businesses are hosting spooky parties and events, offering promotions and more! For a full list of options, please visit harvardsquare.com/harvard-sc…

Light the One Celebration Join us as we Illuminate One Brattle Square on October 18th. @beaconcapital @chipcitycookies @dailyprov @2ndstreetusa @studs @vanleeuwenicecream #harvardsquare #harvard_square #cambridgema

Join us at the 11th Annual Salsa Squared Latin Beats Dance Party & Salsa Sampling Aug. 1st, 7-10pm Experience the sights, sounds & tastes of the Salsa Squared Dance Party. Take Salsa & Bachata lessons & dance the night away to infectious Latin beats under twinkling lights.

Special Film Screening & Party The HSBA, in partnership with Camb. Community Development & the Cambridge Arts Council, is excited to announce a free special outdoor film screening & dance party. Come for fun “…and you shall receive it, in abundance!” harvardsquare.com/special-fi…

The Return of Harvard Square’s Bookish Ball A Celebration of Books, Bookstores, History and More! Saturday, June 21st 11:00am – 4:00pm Life, liberty and the pursuit of books! harvardsquare.com/the-return…

Celebrate Dad in Harvard Square this Sunday, June 17th! harvardsquare.com/celebrate-…

Celebrating Harvard’s 374th commencement today. Congratulations, graduates...you have the world in your hands! Long live Harvard!

Come celebrate Mother’s Day in Harvard Square on Sunday, May 11th! #harvardsquare #cambridgema #mom #mothersday harvardsquare.com/celebrate-…

Celebrate 40 years of Harvard Square's MayFair this Sun, 5/4, 11am - 6pm! Experience food inspired by cultures from all over the world, unique one-of-a-kind gifts & crafts, al fresco gardens, music, entertainment & dance! harvardsquare.com/40th-annua…

40th Annual Harvard Square MayFair Entertainment Lineup Announcement May 4th, 2025 11am – 6pm harvardsquare.com/40th-annua…

Seen today in The People's Republic of Cambridge. #harvard_square #harvardsquare #cambridgema #freedomofspeech #harvardcollege #harvarduniversity

CALLING ALL VENDORS!!! Harvard Square's 40th Annual MayFair is May 4th! Applications are due by April 18th. Apply today. harvardsquare.com/40th-annua… #harvardsquare #harvard_square #cambridgema #vendors #vendorswanted #vendormarket #mayfair

The HSBA, in partnership with the City of Camb. as part of MA250 in Camb. is delighted to announce the return of the Bookish Ball on Sat. 4/12, 11am – 4pm! RESERVE A SPOT: harvardsquare.com/the-return… #harvardsquare #cambridgema #MA250 #bookish #reading #books #bookstores #freeevent

Join us for a conversation on the historical significance of the Women's Community Cancer Project Mural in Harvard Square. harvardsquare.com/community-…

The Harvard Square Business Associations welcomes you to celebrate Saint Patrick's Day in Harvard Square. On March 17th, we're all a little Irish! harvardsquare.com/harvard-go…

Happy Bday, Dr. Seuss!! Annual Celebration March 2nd, 11-1 at The Coop! Enjoy Green Eggs & Ham & Cake along with fun activities & a reading of the book! Hop on over to Union Sq Donuts for a Green Eggs & Ham Donut & Vanilla Matcha Latte!! harvardsquare.com/join-the-f…