Here are the latest Back Bay - Midtown neighborhood notes:

Open house

The Massachusetts Historical Society, 1154 Boylston St., will celebrate Juneteenth with an open house from 6 to 7:30 p.m. on Monday, June 18.

This open house and one-day display will celebrate the milestones on the road to the end of slavery. Featured items will explore the 1783 abolition of slavery in Massachusetts; celebrations within the African American community in Boston of the ending of slavery in the British West Indies in 1833; Garrisonian protest banners; and a look at the evolution of depictions of Crispus Attucks’s death in the Boston Massacre as a symbol of black abolitionism before and during the Civil War.

Registration is required for this free program, by calling 617-646-0560 or online at www.masshist.org.

Concerts in the courtyard

The Berklee College of Music will present outdoor concerts in the courtyard at 6 p.m. on Wednesday, June 20 and 12:30 p.m. on Friday, June 22 in the McKim courtyard at the Boston Public Library, 700 Boylston St.

Finger-style guitarist Brooks Robertson will perform Wednesday. He utilizes superb technical ability to play bass, rhythm and melody simultaneously and surpass the borders of conventional genres.

Friday’s show will feature Night Tree, an American/Swedish acoustic band that has come together to create a unique sound. Their instrumentation includes two fiddles, a cello, accordion, saxophone, percussion and the occasional viola and mandolin, and they incorporate traditions from Irish, classical, Swedish, jazz, klezmer and Afro-Cuban music.

Call 617-536-5400 or visit www.bpl.org for more information.

‘Evolution of Human Nature’

An author panel will examine the “Evolution of Human Nature” in a free program from 6 to 7:30 p.m. on Thursday, June 21 at the Boston Public Library, 700 Boylston St.

Panelists will include Dr. Lisa Feldman Barrett of Northeastern University and author of “How Emotions Are Made: The Secret Life of the Brain;” Dr. Nathan H. Lents of John Jay College, the City University of New York and author of “Human Errors: A Panorama of Our Glitches, from Pointless Bones to Broken Genes;” and Dr. Kenneth R. Miller of Brown University and author of “The Human Instinct: How We Evolved to Have Reason, Consciousness and Free Will.”

The moderator will be Deborah Blum of the Massachusetts Institute of Technology, winner of the 1992 Pulitzer Prize for Beat Reporting and author of “The Poisoner’s Handbook: Murder and the Birth of Forensic Medicine in Jazz Age New York.”

Call 617-536-5400 for more details.

Summer concert

The Berklee College of Music will start its summer series with a free concert at noon on Thursday, June 21 at the Prudential Center, 800 Boylston St.

The Vlade Guigni Trio will perform arrangements of classic jazz tunes along with contemporary original pieces, blending old and new sounds.

Visit www.berklee.edu for more information

Introduction to genealogy

The New England Historic Genealogical Society, 99-101 Newbury St., will host a New Visitors Day at 10 a.m. on Saturday, June 23.

This free orientation and tour will introduce resources available at the NEHGS research facility, home to more than 15 million artifacts, books, manuscripts, microfilms, journals, photographs and records to help research family histories. Tour attendees are welcome to use the resources following the tour. Registration is not required.

Further information can be found at www.americanancestors.org or by calling 888-296-3447.

Chocolate tour

The Back Bay chocolate tour will be held at 10:15 a.m. on Saturday, June 23, starting and ending at Flour Bakery, 131 Clarendon St.

The two-and-a-half-hour tour will highlight the architecture of the Back Bay, the history and life of chocolate and how gourmet chocolates are made. Participants will pick up tips on tasting, buying and storing chocolate, as well as be offered plenty of samples.

Advance reservations are required as space is limited, and can be made at www.bostonchocolatetours.com.

BAA 10K Run

The 2018 Boston Athletic Association 10K Run will be held at 8 a.m. on Sunday, June 24. Check-in will start at 6:30 a.m.

The 6.2-mile flat race will begin on Charles Street wind down Commonwealth Avenue and Back Bay Road to Babcock Street, before heading back on Commonwealth Avenue, around the Public Garden and returning to Charles Street. Shorter kids’ races will begin at 9 a.m. at Boston Common ball field for children, ages 4 to 14.

The Finisher Food tent will offer refreshments. Roads in the Back Bay and Kenmore Square neighborhoods along the course will be closed to vehicular traffic between 7:45 and 10:30 a.m.

Further information is available at www.baa.org or by calling 617-236-1652.

Summer barbecue

The Neighborhood Association of the Back Bay will host the annual summer “CU@theQ” at 5:30 p.m. on Tuesday, June 26, at the Clarendon Street Playground. The rain date will be Wednesday, June 27.

The community is invited to kick off the summer and enjoy hot dogs and hamburgers fresh off the grill, soda, picnic salads and ice cream at the annual summer block party.

Tickets are $10 for adults, $5 for children under 12 and free for children, ages 1 to 4. Advance tickets are available at www.nabbonline.com. A limited number of tickets will be available on the day.

Further information is available at www.nabbonline.com or by calling 617-247-3961.

Victorian Back Bay

Boston by Foot is offering 90-minute guided, walking tours of the Back Bay at 2:30 p.m. on Fridays and Saturdays and 10 a.m. on Sundays, now through October. Walkers will meet the guide on the steps of Trinity Church at Copley Square.

Visitors will discover how the Back Bay, once a body of water, was filled in and how the neighborhood was developed in the mid-19th century to become one of the nation’s richest collections of art and architecture. The treasures of the Back Bay tour include Trinity Church, the Boston Public Library, Old South Church and the grand Back Bay townhouses.

Tickets are $13 for adults, $8 got children from ages 6 to 12 and free for members if purchased in advance or an additional $2 if purchased from the guide.

For more information, visit www.bostonbyfoot.org or call 617-237-2345.

Collections tour

The Massachusetts Historical Society, 1154 Boylston St., will host tours of the collections of the society at 10 a.m. on Saturdays.

Led by an MHS staff member or docent, the 90-minute tour focuses on the history and collections of the MHS.

The tour is free and open to the public. Reservations are not required for individuals or small groups. Parties of eight or more should contact the MHS.

Further information can be found at www.masshist.org or by calling 617-646-0560.

Library tours

Boston Public Library volunteers will give art and architecture tours of the McKim Building, a National Historic Landmark, in its main building, constructed in 1895, throughout the week.

Highlights include the murals of John Singer Sargent, Pierre Puvis de Chavannes and Edwin Austin Abbey and the work of architect Charles Follen McKim.

Self-guided tours are available as well, and literature describing the architectural highlights is available on the web at www.bpl.org/central/tours.htm.

For tours by appointment, call 617-536-5400.