Changes

[[16th century|1582]] – The Gregorian Calendar is introduced by Pope Gregory XIII. <br>[[19th Century|1883]] - – The [[wikipedia:Orient Express|Orient Express]], a transcontinental railroad on [[Earth]], begins service between [[Paris]] and Istanbul. <br />[[1957]] – Launch of ''Sputnik I'', the first artificial [[satellite ]] to orbit the [[Earth]].<br />[[1959]] - – The Russian satellite Luna 3 is launched, orbiting the [[Luna|Moon]] and photographing 70 percent % of the Moon's far side.<br />[[2004]] – SpaceShipOne wins Ansari X Prize for private spaceflight. By being the first private craft to fly into space.<br />[[2004]] - Death of American astronaut Leroy Gordon Cooper, Jr., one of the first astronauts and the first American to sleep in orbit.