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.”

Ninth-grade history teachers at Cambridge Rindge and Latin developed an opening unit on local democracy, confident their young learners would become some of the most informed (non)voters in the city.

Twenty-five bands from as far away as Brazil and Berlin strutted their stuff down Massachusetts Avenue from Somerville to Cambridge on Sunday, dancing, shouting and, well, honking as part of the year’s Honk! events and Oktoberfest.

In a look ahead at a week of Cambridge and Somerville events, there is the “La Sonnambula” opera, the unveiling of a life-size robot sculpture, an epic improv comedy fest, and theater, dance, movies and poetry, from DeWitt Henry to Olivia Gatwood, much of it free.

The dramatic one-act play “The Real Me” returns next week to mark the start of autism awareness month, just short of a year since its U.S. premiere in May at Lesley University.

“What Is Democracy?” is vast in its exploration of politics from ancient Greece to today’s U.S. upheaval, juxtaposing everyone from trauma paramedics to Marxist theorists, and has sheer ambition that elevates it above just being a rehashed history lesson.