The 1931 Histomap: The entire history of the world distilled into a single map/chart. The “Histomap”, a map of history’s civilizations’ relative prominence, 2000 B.C. to 1930 A.D., by John B. Sparks, first printed by Rand McNally in 1931. Source: The 1931 Histomap: The entire history of the world distilled into a single map/chart.
World Map of Recorded Battles in History Source: Battles | Public Interface | nodegoat Captured using ScreenToGif, edited using GIMP
asteroid orbit observation GIF animated gif image explaining how asteroid orbits are determined through a series of observations Source: NASA JPL Near Earth Object Program