ABINGTON

Irish genealogy: The Abington Public Library will host a free lecture on the history and difficulties of tracing Irish heritage at 2 p.m. Saturday, Feb. 27. The presentation will highlight unique challenges of Irish ancestral research, explore unique resources, and give examples of famous Irish-Americans’ heritage to give attendees a guide to tracing their own Irish origins.

For more information, call 781-982-2139 or e-mail ablib@ocln.org.

BRIDGEWATER

Presidential history: Local historian and college professor Gary Hylander will give a presentation on the creation of the American presidency at 6:30 p.m. Tuesday, Feb. 23, at the Bridgewater Public Library. The free lecture will explore the intentions and realities of the electoral process.

For more information, call 508-697-3331 or e-mail Rose at rmamakos@sailsinc.org.

BROCKTON

Business after hours: Bring your business card to the Shaw’s Center Thursday, Feb. 25, from 5 to 8 p.m. for a multicultural business forum and networking event. Hosted by the Metro South Chamber of Commerce, the free event will feature a resource expo, followed by a women- and minority-owned business panel and a networking event with food, drinks, and entertainment. This event is open to public; registration is recommended.

To register, e-mail Athena at alavoie@metrosouthchamber.com.

DUXBURY

Solar power forum: The Duxbury Free Library will host a solar energy forum, moderated by state Representative Josh Cutler, 7 to 9 p.m. Thursday, Feb. 25. Representatives from the Massachusetts Clean Energy Center and Energy­Sage and three Duxbury residents who’ve installed solar panels will explain the advantages of solar electricity and offer step-by-step guidance from choosing to installing solar panels.

HANOVER

Investment panel: Sponsored by Essential Asset Management of Norwell, a John Curtis Library panel from 6 to 7:30 p.m. Wednesday, Feb. 24, will outline safer investment options, simple investment tools, and alternatives to traditional investing to keep investments safe in a volatile market. Light refreshments will be served at this free event.

To RSVP, call 781-569-4914 or e-mail betsy.vallone@essential-am.net.

HINGHAM

Dementia support: Bridges by Epoch Memory Care Assisted Living will host two monthly support groups, one for spouses and caregivers of people fighting dementia and the other for those younger than 65 with early onset dementia, at 5 p.m. Wednesday, Feb. 24. Light refreshments will be served; RSVP is required.

To RSVP, call 781-749-7114 or e-mail dhagerty@bridgesbyepoch.com.

MANSFIELD

Cybersecurity workshop: Learn to protect yourself in the digital world 6:30 p.m. Thursday, Feb. 25, at the Mansfield Public Library. This free presentation will explore threats, hazards, and proactive defense strategies and programs for your computer, phone, and other devices. Registration is recommended.

To register, call 508-261-7380 or visit mansfieldlibraryma.com.

MARSHFIELD

Mt. Vernon lecture: Unearth the long history behind the home of George Washington from 7 to 8:30 p.m. Wednesday, Feb. 24, at the Ventress Memorial Library. This free lecture, part of the ongoing Ventress Memorial Library Cultural Series, is open to the public; no registration required.

For more information, call 781-834-5535 or e-mail Chris at cwoods@ocln.org.

MILTON

Navigational history: The Suffolk Resolves House will host a presentation 7 to 8:30 p.m. Wednesday, Feb. 24, on how navigation has shaped local history, in a talk given by the property’s curator. Space is limited for the free lecture; reservation is required.

To register, call 617-696-4115 or e-mail cps66@comcast.net.

Bret Hauff can be reached at bret.hauff@globe.com.