istoryworld
Events relating to maps
Hipparchus proposes a grid of 360° of latitude and longitude for mapmaking
Flemish cartographer Gerardus Mercator publishes a map of the world, using the projection now known by his name
A year after Mercator's death, his son publishes a bound collection of his maps with the title Atlas, or Cosmographic Meditations
The Ordnance Survey is founded in Britain, to make detailed maps of the country for military purposes