MARSHALL PLAN LECTURE, Kenneth Heger of the National Archives' Support Research Branch discusses how records from the Office of the U.S. Special Representative in Europe reveal how the United States sought European support for and participation in post-World War II economic recovery and aid programs. 11 a.m., National Archives, 8601 Adelphi Rd., College Park. Free; driver's license or other photo ID required for admission. 202-208-7345.
HYATTSVILLE CHESS CLUB, for all ages, tips from instructor Ted Fagan. 7 p.m., Hyattsville Library, 6530 Adelphi Rd., Hyattsville. Free. 301-985-4690.
ONLINE HOMEWORK HELP, for students in grades 4-12, tutoring in math, science, social studies and English provided by teachers, university professors and graduate students. 2 p.m.-midnight daily; Spanish-speaking tutors in math and science, 2-10 p.m., Sundays-Thursdays. Available through www.pgcmls.info, the Prince George's County Memorial Library System.
LANDOVER COMPUTER CLASSES, for people 18 and older who have completed classes in Microsoft (MS) Windows and MS Word and Excel software applications. 7-9 p.m. Fridays, through Oct. 28, Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. $50; nonresidents of Prince George's and Montgomery counties, $60. Registration required. 301-583-2400 or www.pgsportsandlearn.com.
UPPER MARLBORO RUN-WALK EVENT, for all ages, rain or shine, a 5K run or one-mile walk, with water stations along the route and an awards ceremony, plus a post-race party with refreshments and music. Proceeds will benefit an emergency fund for crime victims. Sponsored by Maryland Crime Victims' Resource Center and Prince George's County State's Attorney's Office. Check-in and registration, 7:45 a.m.; warm-up, 8:30 a.m.; start, 9 a.m. Watkins Regional Park, 301 Watkins Park Dr., Upper Marlboro. $25; reservations required. Call 301-952-3801, or register online at www.pgcvictimsfundrun.net.
CHILDREN'S CLOTHING SALE, all sizes of fall and winter used clothing, toys, books and baby and sports equipment; sponsored by the University Park Children's Clothing Co-op. 10 a.m.-noon, Riverdale Presbyterian Church, 6513 Queens Chapel Rd., University Park. 301-209-0388.
LANGLEY PARK JOB FAIR, with representatives of companies and agencies in government, education, law enforcement, construction, health care, food services and other fields. Job seekers should bring copies of their resumes. Sponsored by Action Langley Park and the Prince George's County's Office of Human Resources Management. 10 a.m.-2 p.m., Langley Park Community Center, 1500 Merrimac Dr., Langley Park. Free. 301-445-4508.
FIRE DEPARTMENT OPEN HOUSE, displays of fire and rescue equipment, plus a chance to meet fire emergency personnel and practice extinguishing a fire. Also, face-painting, information brochures, blood pressure checks and refreshments. Sponsored by the Kentland Volunteer Fire Department Station 46. 10 a.m.-4 p.m., 10400 Campus Way South, Largo. Free. 301-336-4633.
BOWIE FIRE PREVENTION DAY, the Bowie Volunteer Fire Department and Rescue Squad's 21st annual open house, with displays of firetrucks and other public safety vehicles, demonstrations, a visit from Smokey the Bear and information on residential sprinklers and fire extinguishers. Also, firefighting, ambulance and helicopter rescue demonstrations. Refreshments will be sold. 11 a.m.-4 p.m., Freestate Mall Fire Station, 15454 Annapolis Rd., Bowie. Free. 301-809-0122 or www.bowievfd.org.
SENIOR CENTER LEGAL TALK, for people 55 and older, representatives of Legal Aid Bureau will discuss power of attorney and advance directives. 10 a.m.-noon, Camp Springs Senior Center, 6420 Allentown Rd., Camp Springs. Free. 301-449-0490.
LIBRARY CHESS CLUB, for all ages and skill levels, with instructor Paul Yates. 6:30 p.m., Hillcrest Heights Library, 2398 Iverson St., Temple Hills. Free. 301-630-4900.
HYATTSVILLE FARMERS MARKET, seasonal fruits and vegetables. 2-6 p.m., Queens Chapel Town Center, rear parking lot, Queens Chapel Road and Hamilton Street, Hyattsville. 301-627-0977.
FRIENDS OF THE BLADENSBURG LIBRARY, discussion of fundraising, volunteering and special projects. 6:30 p.m., Bladensburg Library, 4820 Annapolis Rd., Bladensburg. Free. 301-927-4916.
ALICE WALKER BOOK DISCUSSION, "By the Light of My Father's Smile." 6:30 p.m., Surratts-Clinton Library, 9400 Piscataway Rd., Clinton. Free. 301-868-9200.
IDENTITY THEFT PREVENTION, seminar for people 18 and older on how to minimize the risk of identity theft and what to do if it occurs. 6:30-8:30 p.m., Prince George's Sports and Learning Complex, 8001 Sheriff Rd., Landover. Free; registration required. 301-583-2400 or www.pgsportsandlearn.com.
SENIOR CENTER LINE DANCING, for ages 60 and older. 10 a.m.-noon, Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
LARGO STORY TIME, for ages 3-5. 11 a.m., Largo-Kettering Library, 9601 Capital Lane, Largo. Free. 301-336-4044.
SENIOR CENTER BID WHIST, ages 55 and older. 12:30-3 p.m., Camp Springs Senior Center, 6420 Allentown Rd., Camp Springs. Free. 301-449-0490.
-- Compiled by LISA MARTIN
To Submit an Item
Mail: Community Events, The Washington Post, 9500 Arena Dr., Suite 400, Largo, Md. 20774.
Details: Announcements are accepted on a space-available basis from public and nonprofit organizations only and must be received at least 14 days before the Thursday publication date. Include event name, dates, times, exact address, prices and a publishable contact phone number.