Leap years synchronize the calendar year with the solar year
by Ann Marie Imbornoni & Mark Hughes Related Links Leap Year 101 History of the Calendar History of…
An explanation of the power to pardon granted to U.S. presidents by the Constitution
by Mark Hughes President Gerald Ford testifying before the House Judicial Committee about his…
(Encyclopedia)
Rulers of France since 987(including dates of reign)
The Capetians
Hugh Capet, 987–96
Robert II (the Pious), son of Hugh Capet, 996–1031
Henry I, son of Robert II, 1031–60…
by Mark Hughes Prev Next Round Goby Native to Eurasia, it arrived in the Great Lakes via ballast water. The round goby is known for competing with and preying on native species…
by Mark D. Hughes photos by Carol M. Highsmith Prev Next Franklin Delano Roosevelt Franklin D. Roosevelt was the 32nd president of the United States (1933-1945). He is the only…