Communities across the Washington region will be commemorating the third anniversary of the Sept. 11, 2001, terrorist attacks with candlelight services, a jazz festival, even a movie screening. Below is a listing of some events today.

ALEXANDRIA

6:30 p.m.: Community worship service of remembrance and prayers for peace at Fairlington Presbyterian Church, 3846 King St. 703-931-7344.

ANNAPOLIS

7:30 p.m.: Community singalong led by the All Children's Chorus of Annapolis. Includes patriotic favorites and old standards. City Dock. 410-263-9191 or lizhb@aol.com.

ARLINGTON COUNTY

9:30-10 a.m.: Memorial wreath-laying at Arlington National Cemetery and moment of silence with Defense Secretary Donald H. Rumsfeld and family members of victims of the terrorist attacks. Meet by 9 at the group marker for 9/11 victims. 703-697-9283.

9:30 a.m.: A moment of silence and the tolling of a bell 184 times, once for each victim in the Pentagon attack, sponsored by Arlington County, at Courthouse Plaza, 2100 Clarendon Blvd. The community is encouraged to display American flags in remembrance as part of "Flags Across Arlington."

All day: Volunteer opportunities with the Arlington County Volunteer Office for those who wish to remember Sept. 11 with a day of service and charity. 703-228-1760.

ARNOLD

11 a.m.: Remembrance ceremony combining music, poetry, candlelight and meditation. Room 219, Cade Center for Fine Arts, Anne Arundel Community College, 101 College Pkwy. 410-777-2325 or www.aacc.edu.

ASHBURN

2-5 p.m.: All-American Family Festival sponsored by the Church of the Holy Spirit, on the grounds of Mill Run Elementary School, 42905 Waxpool Rd. Rain date is Sept. 18. 703-726-0777.

BLADENSBURG

6:30 p.m.: Candlelight ceremony to honor Sept. 11 victims and U.S. troops hosted by the town and by American Legion Colmar Manor Post 131, at the Bladensburg Waterfront Park, Old Bladensburg Marina across from the Peace Cross memorial. 301-779-4264.

BOWIE

7 p.m.: Memorial service and concert sponsored by the city, veterans groups, U.S. Rep. Steny H. Hoyer and other political leaders, at Allen Pond Park, 3330 Northview Dr. Those attending are asked to wear red, white and blue. 202-225-4131.

CATLETT

9 am.-5 p.m.: Remembrance day festivities with proceeds going to benefit Muscular Dystrophy Association and local fire and rescue departments, at Big Apple Deli, 4220 Dumfries Rd. 540-788-1988.

CENTREVILLE

Noon: A commemoration ceremony as part of the 13th annual Centreville Day celebration in front of St. John's Episcopal Church, 5649 Mount Gilead Rd. 703-818-9561.

COLUMBIA

3 p.m.: Screening of the documentary "Voices in Wartime" sponsored by the Maryland Chapter of Grandmothers for Peace, at the Howard County Central Library, Broken Land and Little Patuxent parkways. 410-730-6049.

THE DISTRICT

9:30 a.m.: Memorial tree-planting to honor the student, teacher and parents who died in the attack on the Pentagon, M.V. Leckie Elementary School, 4201 Martin Luther King Jr. Ave. SW. 202-667-1798.

Noon: Commemoration service at Washington National Cathedral, Wisconsin and Massachusetts avenues NW. The Right Rev. John Bryson Chane will offer the homily, and the Right Rev. A. Theodore Eastman will celebrate Holy Eucharist. www.cathedral.org.

7:15 p.m.: Talk by Jan Egeland, United Nations undersecretary general for humanitarian affairs, and remarks by the Right Rev. John Bryson Chane in the great choir section of Washington National Cathedral, Wisconsin and Massachusetts avenues. Followed at 8 p.m. by a concert with the cathedral choirs and chamber orchestra. Tickets are $25 and $10. 202-537-5757.

10 p.m.: Prayer service and band concert at Ohev Sholom Talmud Torah Congregation, 1600 Jonquil St. NW. 301-622-2030.

ELLICOTT CITY

9 a.m.: Wreath-laying ceremony to honor Howard County residents who died in the attacks, sponsored by the county government, at the Garden of Hope monument, Centennial Park, Route 108 (south entrance). 410-313-2022.

10 a.m.: Discussion on peace and security in the post-Sept. 11 world with Ambassador Jonathan Dean, adviser for the Union of Concerned Scientists and former chief U.S. representative for force reduction negotiations. Banneker Room, George Howard Building, 3430 Courthouse Dr. 410-313-7750.

FAIRFAX CITY

7 p.m.: Remembrance event at the Veterans Amphitheater, next to City Hall, 10455 Armstrong St. A tree-planting ceremony will be part of the program, sponsored by the city, as well as a candlelight ceremony and music by the Fairfax City band, Fairfax High School A Cappella Singers and bagpiper Steve Cochran. 703-385-7850.

FAIRFAX COUNTY

7 p.m.: Candlelight ceremony sponsored by the county, at the 9/11 Memorial Grove Garden, 12000 Government Center Pkwy.

GLEN BURNIE

7 p.m.: Candlelight service and talk led by Cmdr. John Ulrich of VFW Post 160. Veterans of Foreign Wars Post 160, 2597 Dorsey Rd. 410-766-9802.

LEESBURG

8:30 a.m.: Remembrance and dedication of the Freedom Memorial in Freedom Park, Tolbert Lane off Evergreen Mill Road. There will be a moment of silence at 8:46 a.m. 703-737-7144.

10 a.m.: A second of silence will be observed for each of the Sept. 11 victims on the hillside overlooking Springhouse Pond. Banshee Reeks Nature Preserve, 21085 The Woods Rd. 703-669-0316.

PURCELLVILLE

6 p.m.: Remembrance candlelight ceremony at Town Hall, 130 E. Main St. 540-338-7421.

ROCKVILLE

8:30 a.m.: Montgomery County Executive Douglas M. Duncan will join relatives of the 11 county residents who died at the Pentagon in a moment of silence at the county's Sept. 11 memorial, at Courthouse Square Park, Maryland and West Montgomery avenues. 240-777-6530.

SILVER SPRING

4-10 p.m.: Silver Spring Jazz Festival featuring a tribute to Sept. 11 victims, including local musician Scott Powell, who was killed in the attack on the Pentagon. 240-777-6530.

STERLING

5-8 p.m.: Interfaith peace banquet with representatives of Christian, Jewish, Muslim and Sikh religions, at the All Dulles Area Muslim Society Center, 46903 Sugarland Rd. Overnight vigil begins at 9 p.m. 571-217-9286

VIENNA

10 a.m.: American Legion Dyer-Gunnell Post 180's annual community commemoration, on the grounds of the Freeman House, 131 Church St. NE, preceded by the ringing of church bells at the times of the terrorist attacks. 703-938-9535.

WARRENTON

9 a.m.: Performance by the Old Guard Fife and Drum Corps and marching bands from Fauquier and Liberty high schools, at Highland High School, 597 Broadview Ave. 540-347-1221, Ext. 1033.

WOODBRIDGE

8:30 a.m.: Memorial service and dedication of a sundial with keynote speaker Laurie Laycheck, who lost her husband in the Pentagon attack. Freedom High School, 15201 Neabsco Mills Rd. 703-583-1405