On September 6, 1746, the Rev. Michael Schlatter, who would have profound influence on the religious life in all of Western Maryland and in southern Pennsylvania, arrived in Philadelphia from Europe. On September 6, 1776, Montgomery and Washington counties were separated from Frederick County. Garrett and Alleghany counties, which were part of Frederick County since 1748, thus became part of Washington County. On September 6, 1854, Dr. John Baltzell, who built the house which is now the home of The Historical Society of Frederick County, died. He was born February 11, 1775. On September 6, 1862, 30,000 Confederate troops occupied Frederick. Col. Bradley T. Johnson, a native of Frederick and a former county state's attorney, was made Confederate Provost Marshall. On September 6, 1876, a new organ at Evangelical Reformed Church on West Church Street in Frederick was played in public for the first time. On September 6, 1886, Dr. William Miller Kemp, who was born in Frederick February 21, 1814, and who became a prominent physician in Baltimore, died there. On September 6, 1913, John Groff, son of Capt. Joseph and Susan C. Smith Groff, of Frederick, while serving as a traffic officer in Washington, D.C., saved President Woodrow Wilson from serious injury when he stopped a runaway automobile. On September 6, 1972, Prospect Hall, just west of Frederick on The Jefferson Pike, opened as an independent, interdenominational private day school after 150 years of association with St. John The Evangelist Roman Catholic Church. 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 <mailto:Wasps1965@comcast.net> Wasps1965@comcast.net