On May 10, 1739, Benjamin Tasker presented the first of numerous petitions to the Maryland Assembly seeking the establishment of a new county to be carved from Prince George's County. Frederick County was created in 1748 and included all of present day Montgomery, Frederick, Washington, Allegheny and Garrett counties. On May 10, 1748, Charles Wood married Sarah Brightwell, which led to a breach of promise suit filed by Lydia Dent. The case was heard in the March 1750 session of the Frederick County Court with Ms. Dent being awarded the victory. On May 10, 1750, Daniel Dulany conveyed six lots for a Frederick County Courthouse. He was paid 18 pounds. On May 10, 1775, Thomas Johnson of Frederick was appointed to represent Maryland at The Second Continental Congress. On May 10, 1776, Thomas Jefferson spent the night at the Black Horse Tavern on West Patrick Street in Frederick. On May 10, 1855, Marie Diehl, a faculty member at the Frederick Female Seminary and The Women's College of Frederick, an editor of The Examiner, and the founder of the Frederick Chapter of The Society for The Prevention of Cruelty to Animals in 1901, was born in Frederick, the daughter of The Rev. George Diehl, pastor of The Evangelical Lutheran Church. She died in November 1907 in Easton, PA On May 10, 1891, the B&O Railroad freight yard opened in Brunswick beginning that town's Boomtown era. The nation's first roundhouse was built in Brunswick. On May 10, 2010, Marine Cpl. Kurt S. Shea, of Frederick, the son of Steven R. and Linda D. Shea, died of a gunshot wound in Helmand Province, Afghanistan. He was born February 10, 1989 in Rockville, MD. He graduated from Frederick High School in 2007. If anyone can add information to these History Moments, or would like to suggest an item for another calendar day, please contact me privately. John W. Ashbury Wasps1965@comcast.net <mailto:Wasps1965@comcast.net>