Hockey: The Washington Capitals play the Pittsburgh Penguins. [12:30 p.m. Verizon Center, 601 F St. NW] Food Glorious Food: A children’s screening of live-action and animated short films about food. [11:30 a.m. National Gallery of Art, Constitution Avenue and Third Street NW] Remembering the American Civil War: A tour of stained glass windows and carvings depicting the tragedy. [1:30 p.m. National Cathedral, 3101 Wisconsin Ave. NW]

Erika Dreifus: The author of “Quiet Americans” discusses her book. [2 p.m. National Museum of American Jewish Military History, 1811 R St. NW]

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