The legend of Santa Claus can be traced back hundreds of years to a monk named St. Nicholas. It is believed that Nicholas was born sometime around 280 A.D. in Patara, near Myra in modern-day Turkey. Much admired for his piety and kindness, St. Nicholas became the subject of many legends including being the basis for the legend of Santa Claus.
The Asian part of Russia is known as Siberia. However, in terms of population, the situation is reversed: Roughly three out of four Russians live in the European part of the country and just one out of four live in the Asian part. Europe and Asia actually share a single landmass, which is known as Eurasia.
The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. In miles per hour, light speed is, well, a lot: about 670,616,629 mph. If you could travel at the speed of light, you could go around the Earth 7.5 times in one second.
February 29 is a date that usually occurs every four years, and is called leap day. This day is added to the calendar in leap years as a corrective measure, because the Earth does not orbit around the sun in precisely 365 days. The Gregorian calendar is a modification of the Julian calendar first used by the Romans.