Events calendar: Sunday, July 30

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Children’s programs

  • A park ranger will explain animal adaptations. 12:30 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6000.
  • A park ranger will lead a planetarium program about the season’s brightest stars, planets and constellations (for ages 5 and older). 1 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070.
  • A park ranger will lead a planetarium program about “Fire and Ice: Strange Moons of the Solar System” (for ages 7 and older). 4 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070.

Class

  • Local yoga instructors Alia Peera and Amy Mitchell will present “Sunday Serenity: Yoga in the East Park.” 10 to 11 a.m. $5 donation suggested; reservations encouraged. Dumbarton House, 2715 Q St. NW. dumbartonhouse.org. The program will continue weekly through Aug. 27.

Concerts

  • The Washington International Piano Festival will present solo and ensemble performances by program participants. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
  • The Black Squirrel will host “The 9 Songwriter Series,” featuring performances by nine local singer-songwriters. 8 p.m. Free. Black Squirrel, 2427 18th St. NW. 202-232-1011.

Discussions and lectures

  • A park ranger will be on hand to discuss the history of Meridian Hill Park, Rock Creek Park and other park-related topics. 11 a.m. Free. Meridian Hill Park, 16th Street between Euclid and W streets NW. 202-895-6070.
  • The Rev. John Lillie, pastor of Lutheran Church of the Foothills in Tucson, Ariz., will discuss “Always Being Made New: Martin Luther — Man, Monk and Reformer at 500.” 11:30 a.m. Free; reservations required. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. registrations@cathedral.org.
  • Karin Tanabe will discuss her fourth novel, “The Diplomat’s Daughter,” set during World War II. 1 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
  • Danielle Hahn, head of music programs at the National Gallery of Art, will discuss her department’s role in enhancing the visitor’s experience. 2 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
  • Presidential historian and political commentator Alvin S. Felzenberg will discuss his book “A Man and His Presidents: The Political Odyssey of William F. Buckley Jr.” 3 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
  • Jacques Berlinerblau, director of the Center for Jewish Civilization at Georgetown University, will discuss his book “Campus Confidential: How College Works, or Doesn’t, for Professors, Parents, and Students.” 5 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.

Films

  • The 22nd annual Made in Hong Kong Film Festival will feature Derek Tsang’s 2016 movie “Soul Mate,” about two high school friends whose relationship is strained when they both fall in love with the handsome Jiaming, with the wounds reopened years later when one of them publishes a novel based on their lives. 2 p.m. Free. Warner Bros. Theater, National Museum of American History, Constitution Avenue between 12th and 14th streets NW. 202-633-1000.
  • The National Gallery of Art will present the Washington premiere of Albert Serra’s 2016 film “Death of Louis XIV,” about the Sun King as a bedridden luminary who continues to conduct affairs of state. 4 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
  • Woolly Mammoth Theatre Company will host a screening of the 2008 Emmy-nominated documentary “Traces of the Trade: A Story From the Deep North,” about filmmaker Katrina Browne’s discovery that her Rhode Island forefathers were the largest slave-trading family in U.S. history, and the journey that brings Browne and nine of her family members face-to-face with the history and legacy of New England’s complicity in slavery. A discussion led by Browne will follow. 5 to 6:45 p.m. Free; reservations required. Melton Rehearsal Hall, Woolly Mammoth Theatre Company, 641 D St. NW. woollymammoth.net.

Performances

  • The Kinsey Sicks will present “Things You Shouldn’t Say,” a searing journey into Trumpism, racism, AIDS, giraffes, Bette Midler, oblong vegetables and more. 2 and 7:30 p.m. $11.50. Goldman Theater, Edlavitch DC Jewish Community Center, 1529 16th St. NW. washingtondcjcc.org.
  • The theatrical team of Jeremiah and Wendy Ginsberg will present a concert-version performance of their original two-act musical “Esther, Sweet Esther,” about a courageous Jewish woman who, after becoming the Queen of Ancient Persia, saves her people from annihilation. 7 p.m. $95. Ballroom, National Press Club, 529 14th St. NW. esthersweetesther.eventbrite.com.

Special event

  • Georgetown Lutheran Church will collect donations for D.C. food banks of peanut butter and jelly for hungry D.C. kids while school is out this summer. 10 a.m. to 2 p.m. Free. Georgetown Lutheran Church, 1556 Wisconsin Ave. NW. 202-337-9070.

Sporting event

  • The Washington Nationals will play the Colorado Rockies. 1:305 p.m. $12 to $370. Nationals Park, 1500 South Capitol St. SE. 888-632-6287.

Walk

  • A park ranger will present “By Dawn’s Early Light,” about the life and legacy of Francis Scott Key in D.C. (for ages 7 and older). 11 a.m. Free. Meet at the fountain in the Georgetown Waterfront Park, Wisconsin Avenue and K Street NW. 202-895-6070.