Event listings for Washington National Cathedral have been updated. Check with other event organizers for changes due to inclement weather.

To commemorate the 10th anniversary of the Sept. 11 attacks, groups across the Washington region are hosting events featuring prayer service, documentaries, music, exhibits and more.

Thursday, Sept. 8

9/11 Tenth Anniversary Summit: Remembrance, Renewal, Resilience, documentaries featuring underreported stories of American resilience including soldiers wounded in service after Sept. 11 and a look at the technology, engineering and design of the new World Trade Center site. 9 a.m. to 4 p.m., Sept. 8. Newseum, 555 Pennsylvania Ave. NW, the District. Free. Registration required by Sept. 6. 202-682-1800, www.centerfornationalpolicy.org, cflowers@centerfornationalpolicy.org.

9/11 artifacts, museum staff members speak with visitors about more than 50 objects from New York City, the Pentagon and Shanksville, Pa., and recent acquisitions from the Transportation Security Administration relating to the Sept. 11, 2001, terrorist attacks. 11 a.m.-3 p.m. Thursday-Sunday, National Museum of American History, Hall of Musical Instruments, third floor, 14th Street and Constitution Avenue NW. Free. 202-633-1000.

Dispelling the myths of Islam, Safi Khan, director of the Dar-us-Salaam Community in College Park, will speak. 1:30–3:30 p.m., Largo Student Center, Rennie Forum. Prince George’s Community College, 301 Largo Rd., Upper Marlboro. Free. 301-322-0853.

9/11 tribute, Frederick County Board of Commissioners will honor of those who died in the attacks. Noon to 12:30 p.m. First floor hearing room of Winchester Hall, 12 East Church St., Frederick, Md. Free. 301-600-2590. rsantangelo@FrederickCountyMD.gov.

“Wall of Healing” display, a memorial wall for members of the Prince George’s Community College to write personal reflections, quotes and names of victims, Thursday and Friday. Largo Student Center, lobby and first floor of Marlboro Hall, Prince George’s Community College, 301 Largo Rd., Upper Marlboro. 301-322-0853.

Friday, Sept. 9

Laurel Museum, invites visitors to sign its 9/11 commemorative book of remembrance throughout September. Visitors can also read comments left by others following the attacks in 2001. 10 a.m. - 2 p.m. Wednesdays and Fridays; 1-4 p.m. Sundays. 817 Main St., Laurel. Free. www.laurelhistoricalsociety.org.

PGCC tribute, monologues, video, poetry, song and dance will be presented to reflect on the legacy of Sept. 11 and the spirit of a community in unity. 11 a.m.–noon, Largo Student Center, Rennie Forum. Prince George’s Community College, 301 Largo Rd., Upper Marlboro. Free. 301-322-0853.

9/11 Remembrance Ceremony, Mayor William D. Euille, Police Chief Earl L. Cook, Fire Chief Adam K. Thiel and Sheriff Dana Lawhorne pay tribute to those who gave their lives to save others. Noon-1 p.m., Market Square, 301 King St., Alexandria. Free. 703-746-3969.

National Archives 9/11 program, ABC 7-WJLA TV news anchor Gordon Peterson moderates a panel discussion about the terrorist attacks and related stories of unity, selflessness and resilience, as well as efforts of first responders; panelists include authors Lynn Spencer, Rick Newman and Jim Dwyer. Noon, National Archives, William G. McGowan Theater, Constitution Avenue and Seventh Street NW. Free. 202-357-5000.

Community remembrance ceremony, Montgomery County Executive Isiah Leggett, County Council President Valerie Ervin, Rockville Mayor Phyllis Marcuccio, U.S. Rep. Chris Van Hollen and members of the victims’ families will attend. The Montgomery County Law Enforcement Gospel Choir and the Montgomery County Firefighters Pipes and Drums will perform. 12:30 p.m. Courthouse Square Park at corner of Jefferson Street and Maryland Avenue in Rockville. Free. In the event of inclement weather, the ceremony will be held in the Executive Office Building, 101 Monroe St., Rockville.

“Wings of Caring,” a commemoration of Sept. 11, 2001, followed by a dedication of memorial bricks and a reading of the names of loved ones. Butterflies will be released at the program’s conclusion. 1 p.m., Hospice Caring, 518 S. Frederick Ave., Gaithersburg. Free; $35 to sponsor a butterfly in someone’s memory. 301-990-0854, www.hospicecaring.org or tobyr@

9/11 “A Call to Compassion” concert, includes an address by Secretary of Defense Leon Panetta and participation by the U.S. Marine Chamber Orchestra, U.S. Navy Band Sea Chanters, Cathedral Choir, soprano Christine Brandes and baritone Eric Owens. 7:30 p.m., John F. Kennedy Center for the Performing Arts, 2700 F St., NW. Free, $4 per ticket service charge. 202-537-6200 or tickets.cathedral.org/public/show.asp.

Saturday, Sept. 10

Burke Fall Festival, arts and crafts, carousel rides, pony rides, hayrides, a jumbo slide, a moonbounce, children’s rides, a rock climbing wall, live entertainment, food and more. At 10:30 a.m. Sunday, a special wreath-laying ceremony will commemorate the 10-year anniversary of 9/11. 10 a.m-5 p.m. Saturday; 10:30 a.m.-5 p.m. Sunday; wine tasting social with appetizers and music, 5-10 p.m. Saturday., Burke Center Conservancy, 6060 Burke Centre Pkwy. Free. 703-978-2928.

9-11 Memorial 5K, sponsored by the Arlington Police, Fire and Sheriff to benefit charities related to Sept. 11 and military families. 6 p.m., Doubletree Hotel - Crystal City, 300 Army-Navy Dr., Arlington. $30, register by Friday; $35, race day. 571-502-0135 or 703-228-4117, www.arlington911race.com/raceinfo.html, matt@arlington911race.com or sean@arlington911race.com.

Arlington 9/11 Tribute, featuring music by the Army Brass Quintet, Wakefield High School Choir and Macedonia Baptist musicians; the Arlington County combined Color Guard; and members of the 9/11 Victims’ Families Foundation. 7:30 p.m., Air Force Memorial, 1 Air Force Memorial Dr. Free. 703-228-3000 or www.arlingtonva.us/portals/topics/ArlingtonRemembers.aspx.

9/11 Liberty Memorial Ceremony, commemorating the 10th anniversary of Sept. 11, the ceremony will include performances by the Prince William Community Band and the New Dominion Choraliers. 6 p.m., Prince William County Government Center, Liberty Memorial, 5 County Complex Ct., Woodbridge. Free. 703-792-6880.

“Still Standing-Still Free,” a 10-year commemorative photography exhibit of 9/11 by Sean Kelley, Stephen Jaffe, Bob Pugh and other artists. Live music by the Michael Clem Trio and food catered by Brion’s Grille. Cash bar. 7-11:30 p.m., Stacy C. Sherwood Community Center, 3740 Old Lee Hwy., Fairfax. $50. 703-966-6520 or www.seankelleyart.com.

Sunday, Sept. 11

Pentagon Memorial, remember and reflect on the events that occurred on Sept. 11, 2001. Open 24 hours a day, 1 Rotary Rd, Arlington. Free. 703-697-7351 or www.whs.mil/memorial/.

“Seconds of Silence,” Banshee Reeks Nature Preserve will mark the 10th anniversary of with moments of silence for the victims of Sept. 11, beginning at 10 a.m. Banshee Reeks Nature Preserve, 21085 The Woods Rd., Leesburg. 703-699-0316.

Cathedral 9/11 program, interfaith prayer vigil with tolling of the 12-ton funeral bell, 8:30 a.m.; Karen Armstrong, scholar of comparative religions, leads a forum discussion on compassion with Sam Lloyd, cathedral dean, 10:15 a.m, Washington Hebrew Congregation. Free. 202-537-6200 or www.nationalcathedral.org.

Memorial service, to commemorate the 10th anniversary and to honor the victims, their families and the first responders. Service will begin at 8:46 a.m., the time the first plane struck the north tower of the World Trade Center and will include a moment of silence, special prayers and Holy Eucharist. The church will be open during a prayer vigil from 6 a.m.-6 p.m. for anyone seeking time of prayer or contemplation. A regularly scheduled Sunday Holy Eucharist service at 10:15 a.m. will also be held. 8:46 a.m. Sept. 11, St. Peter’s in the Woods, in the church's Memorial Garden , 5911 Fairview Woods Dr., Fairfax Station. 703-503-9210 or www.spiw.org.

American Legion Post 9/11 ceremony,sponsored by American Legion Post 180 and Vienna. 9:45 a.m., Freeman Store and Museum, 131 Church St. NE, Vienna. Free. 703-938-9535.

Portrait Gallery 9/11 memorial events, bring a message to add to the Kurt Steger sculpture in the “Burden Boat Project” exhibit, 11 a.m.- 4 p.m.; screening of the documentary “Rebirth,” about the lives of five people affected by the attacks, and the rebuilding of the World Trade Center site, 6 p.m., National Portrait Gallery, Eighth and F streets NW. Free. 202-633-1000.

Arlington Bell Ringing, remembrance of 9/11 by ringing a vintage Pennsylvania church bell, sponsored by the Bluemont Civic Association. Noon, Constitution Bicentennial Gardens, North George Mason Drive and Wilson Boulevard, Arlington. Free. 703-525-3786.

Unity Walk, an interfaith, cross cultural commemoration of the Sept. 11 attacks, allows participants the to learn about different faiths and cultures at open houses for churches, synagogues, temples, gurdwaras, and mosques. 1:15-5:30 p.m. Embassy Row, 3935 Macomb St. NW. Free. 202-262-2181. www.911unitywalk.org.

Fairfax County remembrance ceremony, Board of Supervisors Chairman Sharon Bulova, Fire Chief Ronald L. Mastin and Police Chief Col. David M. Rohrer will deliver remarks. Other presentations to include the Public Safety Honor Guard and Fairfax County Boy Scouts and Girl Scouts. 2 to 3 p.m. Public advised to arrive by 1:45 p.m. Government Center, 12000 Government Center Pkwy., Fairfax. Free. www.fairfaxcounty.gov/opa/9-11-anniversary/.

Leesburg’s annual 9/11 observance, speakers include Leesburg Police Chief Joseph R. Price, Deputy Fire Chief Randall Shank and Mayor Kristin Umstattd. 2 p.m. Freedom Memorial Park, 101 Colonel Granata Circle SE, Leesburg. The memorial will be open for personal reflection and remembrance from 10 a.m.-5 p.m. Free. 703-777-1368. www.idalee.org.

“Breaking News Breaking Down,” broadcast journalist Mike Walter, who witnessed the attack on the Pentagon, will show and discuss his award-winning documentary film. The film examines the reactions and reflections of journalists, who cover major breaking news stories, including Sept. 11 and Hurricane Katrina. 2 p.m. Stacy C. Sherwood Community Center,, 3740 Old Lee Hwy., Fairfax. Free. 703-385-8414.

Brunswick 9/11 Remembrance Ceremony, a memorial service that will include presentation of flags and color guard by the Frederick County Sheriff’s Office, a tribute video and music. 2 p.m. Sept. 11, Square Corner Park at Maple Avenue and Potomac Street in downtown Brunswick. Free. events@brunswickmd.gov or 240-508-3049 www.brunswickmd.gov.

“The World Sings for Peace” concert, by the NOVA Lights Chorale performing works in Hebrew, Swahilia Arabic, English, Korean and Latin, accompanied by hand bells, violin, cello, clarinet, piano, bass and percussion. 4 p.m., Arlington Presbyterian Church, 3507 Columbia Pike, Arlington. Free. 703-346-3510, www.novalightschorale.jigsy.com or novalightschorale@gmail.com.

National Day of Service and Remembrance, participate in community service, call 703-228-1760 or visit www.arlingtonva.us/Departments/HumanServices/volunteer/HumanServicesVolunteerVolunteerOffice.aspx.

Evensong Service of Remembrance, to include prayers, litany readings and music. 5 p.m. Sept. 11. St. James’ Episcopal Church, 14 Cornwall St. NW, Leesburg. Free. 703-777-1124.

Purcellville’s remembrance ceremony, will unveil and dedicate the town’s First Responder’s Monument, which features a piece of steel from the World Trade Center. 6 p.m. Bush Tabernacle at Fireman’s Field, 250 South Nursery Ave. 540-751-2300 or cherman@purcellvilleva.gov.

Sept. 11 memorial concerts, performance of patriotic songs by the Mormon Choir of Washington. 6 and 7:30 p.m., Temple Visitors Center, 9900 Stoneybrook Dr., Kensington. Free; tickets distributed 90 minutes before each show. 301-587-0144.

Salute to America concert, U.S. Naval Academy’s concert band to perform at commemoration event. Bowie Volunteer Fire Department will bring tower trucks 39 and 43, which were used by responders at the World Trade Center and were damaged on Sept. 11, to hang an American flag across the entrance to Allen Pond Park. 7 p.m. Allen Pond Park, 3330 Northview Dr., Bowie. Will also have an Interfaith Prayers for Peace service at 5:30 p.m. outside of Bowie City Hall. www.cityofbowie.org.

Gaithersburg 9/11 commemoration, recognition of first responders, the singing of “America the Beautiful,” a moment of silence, and lighting of candles. 7 p.m., Inspiration Park (at Inspiration and Firehouse lanes in the Kentlands). 301-258-6350.

World Doctors Orchestra memorial concert, a Sept. 11 commemoration to benefit Whitman-Walker Health. The program, to be conducted by Stefan Willich, will include Mahler’s Symphony No. 2. 7 p.m., Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. $25-$75. 301-581-5100.

Cathedral’s “A Concert for Hope,” “For a Healing World” features performances by Denyce Graves, the U.S. Marine Corps Chamber Orchestra and the Cathedral Choir; plus readings and reflections by the Dalai Lama, poet Rumi and other faith leaders. 8 p.m., John F. Kennedy Center for the Performing Arts, 2700 F St., NW. Free, $4 per ticket service charge. 202-537-2228.

Monday, Sept. 12

Memorial service, students at Holy Redeemer School will lead the prayer service and seventh-grader Maeve Ballantine will sing “God Bless America. 8:15 a.m. Holy Redeemer School, (4902 Berwyn Rd., College Park.

Germantown Remembers … A Commemoration of 9/11, noon, BlackRock Center for the Arts, 12901 Town Commons Dr., Germantown. Free.

Wednesday, Sept. 14

A Decade After 9-11, in honor and memory of the 9-11 victims, first responders and their families. Labyrinth at the Parish Hall, 6 to 7:30 p.m. followed by a Taize in the Nave, 7:30 to 8:15 p.m. 6-7:30 p.m. Sept. 14, St. George’s Episcopal Church, 915 N. Oakland St., Arlington. 703-243-3823 or www.saintgeorgeschurch.org.