When was the first leap year?
The first leap year was 46 B.C.
It was then that the Julian calendar of 365.25 days was adopted.
The calendar required that an extra day be added every fourth year.
Shooting stars are not stars but meteorites, particles from space entering and burning up in the earth’s atmosphere.
American physicist Murray Gell-Mann (b. 1929) named the quark in 1964. He took the name from James Joyce’s Finnegans Wake. A quark, a subatomic particle with a fractional electric charge, is believed by physicists to be the fundamental unit of matter.
Assuming that the heart beats at least once a second, by the time a person is 70, his or her heart will have beat at least 2.8 billion times.
Close encounters of first kind is the sighting of UFOs. Close encounters of the second kind is the finding of physical evidence of UFOs. A close encounter of the third kind is actual physical contact with UFOs.
The three states or territories with the highest voter turnout in the 1988 presidential election, in descending order, were: 1. Minnesota. 66.3 percent 2. Montana. 62.41 percent 3. Maine. 62.15 percent The three states or territories with the lowest turnout, in ascending order, were: 1. Georgia. 38.79 percent 2. South Carolina. 38.91 percent 3. District…
Started in 1891 by President Theodore Roosevelt, the national system of forest reserves now consists of 154 forests administered by the Department of Agriculture’s Forest Service. The total area of the reserves is over 343,000 square miles.