On June 1, 1787, Margaret Stone, wife of Thomas Stone who signed the Declaration of Independence for Maryland, died. She and her husband lived in Frederick from 1765 to 1771. On June 1, 1791, John Nelson, son of Revolutionary War hero General Roger Nelson, and a future Attorney General of The United States in the Tyler Administration, was born in Frederick. On June 1, 1793, New Market was laid out by Nicholas Hall. On June 1, 1860, In the three months between March 1 and June 1, 1860, 136 slaves were manumitted by their owners in Frederick County. This was in advance of a new state law which took effect on this date which prohibited the freeing of slaves. On June 1, 1869, Lloyd C. Culler, longtime mayor of Frederick, was born. He owned a construction company which built many of the prominent building still in use today. On June 1, 1883, the first telephone exchange was put in service in Frederick. On June 1, 1922, Thurmont Memorial Park formally opened on East Main Street to honor men of the area who served in World Was I. Official dedication ceremonies were held on November 11. On June 1, 1967, Josephine P. Etchison retired as librarian at the C. Burr Artz Library after nearly 30 years in the post. On June 1, 1971, the Rev. Monsignor Hugh J. Phillips resigned as president of Mount Saint Mary's College in Emmitsburg. Dr. John J. Dillon, Jr., then became the first layman to head the college. On June 1, 1993, Denise Davis, an attorney with a background in library science, became the librarian at the C. Burr Artz Library, succeeding Martha Louise Reynolds, who had retired April 30. 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 (wasps65@earthlink.net)