A Celebration 250 Years in the Making: Watertown’s Treaty Day 2026

The 2010 Reenactment of Signing of Treaty of Watertown at the Edmund Fowle House. (Courtesy of Historical Society. of Watertown)

In the days after the former 13 colonies declared their independence from Britain 250 years ago, Watertown had a moment. The town outside Boston became the center of government in Massachusetts, and two historic firsts took place right near Watertown Square. However, these occasions got lost in the ether somewhere between George Washington and George H.W. Bush.

Fiesta Saturdays Will Bring the Sounds and Spirit of Latin America to Watertown

Flamenco Boston (left) and Los Mambiseros will perform during Fiesta Saturdays at Mosesian Center for the Arts. The Mosesian Center for the Arts will presents two outdoor concerts featuring the sounds, dance and culture of Latin America this summer. See more information provided by the MCA, below. This summer, no passport is required to experience the rhythms, flavors, and vibrant traditions of Latin America. The Mosesian Center for the Arts is proud to launch Fiesta Saturdays, a new outdoor concert series celebrating Latin music, dance, and culture on the MCA lawn.

WEEKEND FUN: Tipsy Tea Party, a Show at the Mosesian Center, Historic Mansion Tour, Drop into the Makerspace

(UPDATED: June 25, 3:10 p.m.: the Watertown Children’s production is in July, stay tuned for more information)

The Pride month celebration continues this week with the Tipsy Tea Party on Sunday. The final weekend of a play by a new theater company is at the Mosesian Center. Take a tour of the historic Gore Mansion and learn about the intricacies of the wallpaper in the former governor’s home on Saturday. In the mood to make something, learn how at the Hatch Makerspace on Friday. TIPSY TEA PARTYSunday, June 28, 11:30 a.m.-2 p.m.Commander’s Mansion, 440 Talcott Ave.

WEEKEND FUN: Cinderella, Comedy Watch Party, Run Club, Children’s Author, Bourbon Day

If you need a break from the World Cup (or do not follow soccer), Watertown has plenty of events to choose from this weekend. All weekend, Watertown Children’s Theatre will present Cinderella. Fans of comedy can join the watch party for the finale of Taskmaster UK. This weekend looks hot, but the Watertown Running Club has a pair of runs before the mercury rises. On Sunday, the Watertown Library hosts children’s author Melissa Stewart.

Boston Dance Theater Presenting First Performance at Mosesian Center for the Arts

The Boston Dance Theater, which recently moved to the Mosesian Center for the Arts, will host its first production in its new home on June 20 and 21. See more information in the announcement from the Mosesian Center from the Arts, below. Fresh off a captivating performance at our Spring Soirée, we’re excited to present Boston Dance Theater for Crosscurrents, June 20–21, their debut production in the Charles Mosesian Theater. With pieces by internationally recognized choreographers, new works for their Trainee Program, and performances by local guest artists, Boston Dance Theater offers a layered and immersive audience experience. The program features works with music by Johann Sebastian Bach and Maurice Ravel.

WEEKEND FUN: Tour Watertown’s Oldest House, Free Comics, French Play, Tequila Tasting, Cribbage

Browne House

Do you happen to speak French or just love the sound of it? The French Theater Project is presenting Soie on Friday and Saturday evenings at the Mosesian, a fun way to start the weekend. (there will be English subtitles.) On Saturday there is going to be a garden party at the Browne House, the oldest house in Watertown. If you haven’t seen it, it is definitely worth a quick tour. Get in a game of crocket and check out the music while you’re there.

WEEKEND FUN: Family Yoga, Reptiles, Brunch, Sheep, Radio Dramas on Stage

It is school vacation week, so many young families may be out of town, but for those who remained, you may be looking for some fun things to do right here. Friday from 4-5 there is a reptile show at the library for families with children ages 3-11. Friday evening there is a performance at the Mosesian of the Post-Meridian Radio Players, an audio drama of a few funny short stories by P.G. Woodhouse. Take your older children to get some laughs in. Saturday or Sunday morning you could go out for brunch at Branch Line.