YOUTH SYMPOSIUM AT UDC. 11 a.m. to 3 p.m.University of the District of Columbia, 4200 Connecticut Ave. NW, Building 44. 202-682-4022.
12TH ANNUAL TRIBUTE. Service commemorating the accomplishments of King. 3 p.m. National Archives, auditorium, 8601 Adelphi Rd., College Park. Free. 301-345-3518.
MARLOW HEIGHTS EVENT. Breakfast and a program on King. 9 a.m. Marlow Heights Community Center, 2800 St. Clair Dr. Adults, $5; nonresidents of Prince George's or Montgomery counties, $6; ages 17 and younger, free. 301-423-0505.
LARGO BOOK DISCUSSION. Event focusing on Charles Johnson's "King: The Photobiography of Martin Luther King." 11 a.m. 9601 Capital Lane, Largo. Free. 301-336-4044.
CELEBRITY PERFORMANCE. Local and national entertainers to perform. 6 p.m. Lincoln Theatre, 1215 U St. NW. Tickets required. 202-682-4022.
18TH ANNUAL TRIBUTE. Event sponsored by the Martin Luther King Jr. Howard County Holiday Commission, with keynote speaker, Rep. Elijah E. Cummings (D-Md.). 4 p.m. Long Reach High School auditorium, 6101 Old Dobbin Rd., Columbia. Free. 410-313-6402.
ART WORKSHOPS. Five "I Have a Dream" art workshops sponsored by the Takoma Artist Guild and the Takoma Park Department of Recreation. 1 to 5 p.m. Takoma Park Municipal Building, 7300 Maple Ave. Free. 301-622-3393.
25TH ANNUAL PARADE. Procession along Martin Luther King Jr. Ave. SE, starting at Sumner Road, hosted by D.C. Council member Sandy Allen (D-Ward 8). Noon to 2 p.m.
18TH ANNUAL CELEBRATION. "Peace Justice and Unity," a concert for peace. 10:30 a.m. University of the District of Columbia, 4200 Connecticut Ave. NW, Building 46 (auditorium). Free. 202-727-1000.
BEAUTIFICATION PROJECT. Event sponsored by the D.C. Commission on National and Community Service and AmeriCorps. 10 a.m. to 4 p.m. Davis Elementary School, 4430 H St. SE. 202-727-1000.
"PRAY AND ACT." A prayer service for a peaceful alternative to war, followed by a candlelight procession to the White House. 2:30 p.m. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. 202-537-6555.
ROBERTA FLACK PERFORMANCE. Concert featuring the Georgetown University gospel and chapel choirs. 6 p.m. John F. Kennedy Center for the Performing Arts, Millennium Stage. Free.
19TH ANNUAL MEMORIAL BREAKFAST. Event featuring speaker Gwendolyn E. Boyd, national president, Delta Sigma Theta Sorority Inc. 7:45 a.m. Marriott Wardman Park Hotel, 2660 Woodley Rd. NW. Tickets are $37. 202-238-4600.
HILLCREST HEIGHTS EVENT. Program for all ages. 11 a.m. to 1 p.m. Hillcrest Heights Community Center, 2300 Oxon Run Dr. Free. 301-505-0896.
SEAT PLEASANT TRIBUTE. Program for all ages featuring poetry readings, songs, dance and guest speakers. 10 a.m. to 1 p.m. Evelyn Cole Senior Center, 5720 Addison Rd., Seat Pleasant. Free. 301-386-5525.
MONTGOMERY COLLEGE CELEBRATION. Discussion of King's life by Harold A. Carter, pastor of New Shiloh Baptist Church, Baltimore. 3 p.m. The annual Dr. Martin Luther King Jr. Humanitarian Award and the Children of the Dream Awards will be presented to county residents and youth, followed by a reception. Bring a nonperishable food item for needy residents. Montgomery College, Globe Hall Auditorium, 20200 Observation Dr., Germantown. Free. 240-777-2500.
MONTGOMERY SERVICE PROJECTS. Two community service projects sponsored by the Montgomery County Volunteer Center. 10 a.m. to 1 p.m. 240-777-2600. The projects are:
* Viers Mill Elementary School, 11711 Joseph Mill Rd., Silver Spring. Building and decorating bulletin boards for classrooms, painting, making crafts for the Children's Inn at the National Institutes of Health, making Valentine's Day cards for nursing home residents. Projects can be established for groups.
* The Manna Food Center, 614 Loftstrand Lane, Rockville. Packing and sorting food for distribution to needy people throughout Montgomery County.
MULTIMEDIA PRESENTATION. City of Rockville presentation of "Living the Dream: Stories of the Civil Rights Movement in Rockville: A Multimedia Event," as told through photographs, film and live speakers. Noon to 1:30 p.m. F. Scott Fitzgerald Theatre, 603 Edmonston Dr., Rockville. Free. 240-314-8600.
MARY WASHINGTON COLLEGE EVENT. Celebration featuring speaker Belle S. Wheelan, Virginia's secretary of education. 4 to 5 p.m. Mary Washington College, 1301 College Ave., Fredericksburg, Dodd Auditorium, George Washington Hall. 540-654-1044.
INTERFAITH PRAYER SERVICE. 7:30 p.m. Mount Olivet United Methodist Church, 1500 N. Glebe Rd., Arlington. Free. 703-532-4571.