6-9pm, Killarney House, Davidsonville: killarneyhousepub.com. 

Make and enjoy two historical drinks and learn about colonial tavern culture: Negus, a spiced port, and Lemonade a Second Way, a thirst-quenching drink (ages 21+). 6:30pm, Historic London Town, Edgewater, $30 w/discounts, RSVP: historiclondontown.org. 

6:30-9:30pm, Brian Boru, Severna Park: brianborupub.com. 

Eastport Oyster Boys perform, bring lawn seating; no coolers. 7-9:30pm, Annapolis Maritime Museum, free ($10 suggested donation): amaritime.org. 

  Learn about the life of a waterman on the Bay and how to catch blue crabs in this interactive event. 9:30am, Bayside History Museum, North Beach: [email protected]. 

  Get a hands-on blue crab education on the William B. Tennison (ages 8-12). 10-11am, Calvert Marine Museum, Solomons, $20 (one child w/one adult), RSVP: calvertmarinemuseum.com. 

Join musicians from the Annapolis Chamber Music Festival for an interactive performance and an inside look at the tools that composers use to change the way music feels. 10-11:30am, Busch Annapolis Library: aacpl.net 

  Hike three miles through the park’s archaeological sites. 10am-12:30pm, Jefferson Patterson Park, St. Leonard, $5: jefpat.maryland.gov. 

10am-3:30pm, Busch Annapolis Library, RSVP: aacpl.net. 

  Join a naturalist for a tour along the marsh boardwalk to discover the unique plants and animals found at the sanctuary and learn the history of the park. 1pm, McCann Wetlands Center, Jug Bay Wetlands Sanctuary, Lothian, $6 vehicle fee: jugbay.org. 

Explore nature scenes using investigative techniques (ages 8-13). 1-2:30pm, Watkins Nature Center, Upper Marlboro, $6 w/discounts: pgparks.com.