Wayne Dougherty was re-elected to his third term as mayor of Havre de Grace.
Osama bin Laden was killed in a raid by Seal Team Six in Pakistan where he had been secretly living. Many people in Harford County reflected satisfaction at the death of a man whose activities redefined life as we know it in the United States.
A worker, identified as Nanaj Bhamare, was killed at Aberdeen Proving Ground. Dr. Bhamare died in an explosion and subsequent fire in a laboratory. Dr. Bhamare was the only casualty according to officials.
Aberdeen High School students marched outside their school in support of their principal, who was demoted by the school superintendent. They also rallied at a Harford County Board of Education meeting the same night. Poor overall school performance was one of the reasons stated for the veteran high school principal's removal.
Work began on the Friends Park pond. The project, which included draining, cleaning and dredging the pond and construction of a new fishing pier was expected to take six months.
Harford County's first Mosque is planned for Abingdon. A house located on five acres on Philadelphia Road will be turned into a 20-seat house of worship.
The Humane Society was one step closer to building a new animal shelter. A design contract was awarded to Edmeades & Stromdahl Ltd. for the new shelter.
The Harford County Council eliminated public funding for the nonprofit organization that oversees paid emergency medical technicians who staff ambulances. Tax money that once was used to pay them will be shifted directly to the county.
Harford County's waste disposal operation was forced to send 140,000 tons of trash to Baltimore County over the past three and a half years. Harford County agreed to take back the same amount of trash from Baltimore County over the next five years, plus 30 percent more to cover the cost to Baltimore County to process Harford's trash. This came about because of a delay in adding to the landfill in Harford County.
The Harford County's annual tax lien sale, for the first time in history, went virtual this year. Holding the sale online puts the county in line with many other Maryland jurisdictions.
A Homestead-Wakefield Elementary School student told his teacher about a threatening message on a bathroom mirror. Two days later, another student brought a toy gun to school. Law enforcement didn't think the two incidents were related or posed any threat to safety.
Quintin Everett Demby, who was convicted in March of murdering a 71-year-old man in his Edgewood home, was sentenced to life in prison.
Members of the 2011 graduating class of Harford Community College had to dodge raindrops on their way to get their diplomas at their May 19th commencement ceremony.
Memorial Day celebrations and ceremonies abounded in Harford County. The Bel Air American Legion hosted a traditional ceremony in Shamrock Park. The Aberdeen American Legion Post hosted a wreath placing ceremony and a firing squad salute. Memorial Day is celebrated to honor members of the military who fought and died in various wars throughout history.