BASEBALL, WAY BACK WHEN
Watch baseball as it was played in the 1860s — with underhand pitching and catching without gloves, for starters — at opening day for the Essex Base Ball Association. Teams from the vintage league will play two games, beginning at noon at Spencer-Peirce-Little Farm in Newbury. Tickets cost $5. Bring a lawn chair or blanket. 978-462-2634; historicnewengland.org/events-calendar
The lineup for the 30th Annual MayFair in Harvard Square includes rock, folk, pop, Mexican, and classical music, plus dance performances, on four stages from noon to 6 p.m. No admission fee. 617-491-3434; harvardsquare.com
In the mood for Italian? Some 40 North End establishments — from Bricco, Lucca, and Mamma Maria to Mike’s Pastry and Piantedosi Baking — serve up a tasty array of eats at the 20th annual Taste of the North End, at Steriti Memorial Rink from 6 to 11 p.m. Friday. Tickets cost $99 per person. 617-643-8105; tasteofthenorthend.org
The Old State House celebrates its tricentennial from 10 a.m. to 4 p.m. Saturday with special tours, kid-friendly activities (Colonial games, Liberty Tree lantern making, birthday cupcakes, and more), and a host of costumed characters. Free with museum admission. 617-720-1713; bostonhistory.org
PARSLEY, SAGE, ROSEMARY, AND MORE
Stock up on fragrant herbs — including Herb of the Year, elder — as well as heirloom tomato plants and other goodies for your garden at the Annual Great Herb & Heirloom Plant Sale from 9 a.m. to 1 p.m. at Elm Bank Horticultural Center in Wellesley. 617-933-4900; masshort.org
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