Daylight saving was first introduced by European countries during World War I, with much of the U.S. joining the party in 1918. The idea was that more hours of daylight would "conserve coal for the war effort.
Christopher Columbus was an European explorer and trader who by coincidence discovered America in the 15th Century. Check your knowledge and build up your Dreevoo profile.
Very talented and mighty patient Photoshop manipulation artist Alexander Koshelkov did it again. This time he created this epic wallpaper with a title Airship Of Doom.