Dates and times of events are subject to change. Please call ahead before making travel plans.

washington

Baird Auditorium, Natural History Building, 10th and Constitution, N.W.: John Eaton Turns 70! Eaton is joined by his longtime colleague Tommy Cecil, to perform a program that includes jazz, popular songs and more. Nov. 6, 7:30 p.m. $17-$22. 202/357-3030.

National Cathedral, Massachusetts and Wisconsin avenues, N.W.: Marine Corps Worship Service. A worship service to celebrate the 229th birthday of the United States Marine Corps, including a concert by "The President's Own." Nov. 7, 4 p.m., concert at 3:30 p.m. 703/614-5630.

National Gallery of Art, West Building: Gerard ter Borch Exhibit, 50 of the best works of Gerard ter Borch, considered one of the finest Dutch genre and portrait painters, Nov. 7-Jan. 30; Family Weekend: Explore Islamic Art, includes musical performance, children's art activities, author visit, museum tours and more, Nov. 6-7. 202/737-4215 or nga.gov.

National Geographic Society, Grosvenor Auditorium: Resfest 2004. Digital film festival program includes a collection of short films, music videos and animated productions. Nov. 5-6. 202/857-7700 or nationalgeographic.com.

National Zoo: The Return of the Unicorns. Author and scientist Eric Dinerstein talks about the conservation biology of endangered Asian one-horned rhinos in Nepal, and the recovery of Asia's large mammals. Nov. 4, book signing at 7 p.m., lecture at 8 p.m. 202/673-4925 or fonz.org.

northern virginia

Alexandria: Gadsby's Tavern, 134 N. Royal St., 18th-century Swordplay. A unique living-history program that includes a re-enactment, display and discussions. Suitable for all ages. Nov. 6, hourly demonstrations, 11 a.m.-4:30 p.m., with the last beginning at 3:30 p.m. $5 per person. 703/838-4242 or gadsbystavern.org.

Alexandria: Alexandria Black History Museum, 902 Wythe St., Veterans Day Program. Includes keynote speaker and memorial tribute. Nov. 11, 11 a.m.-1 p.m. 703/838-4356.

Arlington: Women's Memorial, Veterans Day Event. Formal military honors, keynote address, veterans' remarks and wreath laying. Nov. 11, 3:30 p.m. 800/222-2294.

Arlington: United States Marine Corps War Memorial, North Meade Street and Marshall Drive, Wreath Laying Ceremony. Nov. 10, 10 a.m. 202/433-4073.

Manassas: Center for Arts, Caton Merchant Family Gallery, 9419 Battle St., A Covenant of Seasons. Exhibit features monotypes by Richmond native Joellyn Duesberry. Nov. 5-Dec. 17. 703/330-2787.