On July 25, 1781, the trial of seven men for treason against the United States was held in Frederick. Three men, including Casper Fritchie, father of John Fritchie who would become the husband of Barbara Hauer, were executed after their conviction.
On July 25, 1821, Frederick citizens gave William Perry $300 when his two horses were swept away and drowned in a Carroll Creek flood the day before. The driver had escaped the rising waters by climbing a tree.
On July 25, 1861, former Maryland Governor Enoch Louis Lowe's wife Esther offered their Frederick home on East Second Street for sale.
On July 25, 1931, Victorine Artz, daughter of Christian Burr and Catherine Thomas Artz, died, setting in motion the trust of her mother's will which led to the establishment of Frederick County's public library system named for her father.