Guy Mairesse (August 10, 1910 – April 24, 1954) was a racing driver from France. He participated in 3 Formula One World Championship Grands Prix, debuting on September 3, 1950. He scored no championship points. Mairesse was killed in practice for the Coupe de Paris at Montlhéry in 1954 when he swerved to avoid another car and crashed into a concrete wall.
The Boundary Markers of the Original District of Columbia are the 40 milestones that a survey team led by Major Andrew Ellicott placed in 1791 and 1792 to mark the future District's boundaries. Today, 37 of the marker stones survive as the oldest federal monuments in the United States. The survey team created a visto, or clearing, that encompassed a square of 100 square miles (259 km²) of federal territory that became the District of Columbia in 1801.
USS Lyman County (LST-903) was an LST-542-class tank landing ship built for the United States Navy during World War II. Named after Lyman County, South Dakota, she was the only U.S. Naval vessel to bear the name. Originally laid down as USS LST-903 by the Dravo Corporation of Pittsburgh, Pennsylvania on 15 October 1944; the ship was launched on 23 December 1944, sponsored by Mrs. E. W. Wilson; and commissioned at New Orleans, Louisiana on 20 January 1945 with Lieutenant John B.