Histomap: a visualization of 4000 years of History, created in 1931 by John B. Sparks.
HyperCities makes possible for geographic maps to seamlessly merging the historical representations of the city in their current situation, and thus connecting the digital archives, maps, and stories with the physical world.
Hideous monsters devouring ships? Cryptic symbols, correctly showing storm fronts & dangerous currents
Google Map with a topographic layer of France from 18th century