Black History Month begins Sunday with the issuance of a commemorative stamp honoring the late Whitney M. Young and celebrations around town:

Calypso, folk and jazz music will open the Interior Department's month-long observance, Sunday at 1 in the National Visitors Center-Union Station, along with the unveiling of exhibits by black artists. For details call 523-5300.

Sunday at 3, the Howard University Chorale will honor the late Fine Arts Dean Warner Lawson in a concert of classical works by black composers in Rankin Chpel, Sixth Street and Howard Place NW. Admission Free. Call 636-7082. And songs by black composers for children is the opening program of the month at Capital Children's Museum, 800 Third Street NE. Admission is 75 cents. Call 544-2244.

Also on Sunday, "Anna J. Cooper: A Voice from the South," an exhibit of photos, documents and memorabilia from the 105-year life of the former slave, Washington educator and equal-rights advocate, opens at the Anacostia Neighborhood Museum, 2405 Martin Luther King Avenue SE. Hours are 10 to 6 weekdays and 1 to 6 weekends; admission free. Call 287-3369.

The Young stamp makes its debut at a kickoff luncheon by the Association of Afro-American Life and History, Sunday at 1 in the Capital Hilton, with guest speaker Shallie Bey, superintendent of the U.S. Mint in Philadelphia on the theme: "Black History: Role Model for Youth." Tickets are $15. Call 667-2822.

And on Wednesday at 11, the birthday of abolitionist Frederick Douglass will be observed in a wreath-laying ceremony on the lawn of Cedar Hill, his last Washington home, at 1411 W Street SE. For more details call 426-6700.

This Friday, Howard University's History Department gets ahead of the official observances with an International Food Fest, offering of African, Afro-American and West Indian cuisine, Friday at 3 in the School of Human Ecology Auditorium, Fourth and Bryant Streets NW. Free.