8:30 a.m.-9:15 a.m.
The White Marsh Volunteer Fire Company, Baltimore County fire and police departments, and local elected officials will host a "Brief Ceremony of Remembrance" at the Perry Hall Library, 9685 Honeygo Boulevard. Sirens will briefly sound at 8:45 am and again at 9:03 a.m. to commemorate the attacks on each of New York's World Trade Center towers. Each siren blast will be followed by moments of silence and remembrance.
8:46 a.m.-10:38 a.m.
Shadow of Baltimore's World Trade Center traverses Maryland's 9/11 Memorial at the Inner Harbor. No speakers are planned, but the public is invited to watch the tower serve as a sundial marking the events of 9/11 on the memorial.
Moment of silence at Anne Arundel County's 9/11 memorial, located near Anne Arundel County's Police and Fire Department Headquarters, 8495 Veterans Highway in Millersville. The public is invited to join County Executive John R. Leopold in paying tribute to the public safety personnel, civilians and troops who have lost their lives.
11 a.m.-9 p.m.
Mission BBQ in Anne Arundel County will provide a free sandwich for all local emergency and first responders. At noon, Baltimore paramedic Tina Stoltz will sing the national anthem. Harundale Shopping Center, 7748 Ritchie Highway in Glen Burnie.
4 p.m.-6 p.m.
The public may join Harford County volunteer firefighters and community groups in a flag-waving tribute on the Route 152 overpass at Interstate 95. There is free parking at the Route 152 Mountain Road Park and Ride at Exit 74.
About two dozen people, including veterans from the wars in Afghanistan and Iraq, will paddle into the Inner Harbor as a remembrance. The event is one of many "United We Paddle" activities happening across the country. The launch site is the Canton Kayak Club's dock at Tide Point, 1020 Hull St.
Candlelight vigil near 2,977 flags planted along each side of a quarter-mile of Putty Hill Avenue in Parkville. The public is invited to gather in the parking lot of the shopping center at 2531 Putty Hill Ave.