The Honk! festival of activist street bands returns to a full weekend schedule this year after a 2020 virtual version and one last year shrunken to a single day by Covid concerns.

Caution over the coronavirus has shrunk the year’s Honk! festival of activist street bands again, this time by keeping all of the music confined to a single Saturday rather than a full weekend.

After the Honk! festival of activist street bands went online-only during last year’s pandemic, this year’s celebration in October will look different yet again from what people have enjoyed since its launch in Somerville in 2006.

A Cambridge Historical Society installation marks a year of Covid-19 simply, somberly and sweetly.

To celebrate Women’s History Month, Cambridge Day is partnering with the Boston Women’s Film Festival to sponsor a free March 23 virtual discussion focused around three films chronicling different aspects of women’s experience – and that of female filmmakers – in America.

To celebrate Black History Month, Cambridge Day is partnering with the Cambridge Center for Adult Education and Roxbury International Film Festival to sponsor a free Feb. 23 virtual discussion focused around three films chronicling different aspects of the Black experience in America.

“R.O.O.T. (Recognizing Our Oldest Trees)” takes on worries around tree loss explicitly as well as artistically.

The Cambridge Historical Society invites people to say goodbye to “this colossally awful year” and welcome the new one with a free, safe and cathartic event Saturday at its headquarters.

Most people see their weirdness as a negative, but Brooke Barker and Boaz Frankel prove that a person’s quirkiness is what makes them the most interesting in their “Let’s Be Weird Together.” They bring their “date night extravaganza” to Porter Square Books on Monday.

Beatles expert Kenneth Womack visits Harvard’s Kennedy School on Thursday with a talk titled “She Loves You: The Beatles as Rock ’n’ Roll Proto-Feminists.”