This video by Data Visualisation Designer Pedro M. Cruze shows an animated view of the rise and fall of rival maritime Empires during the 19th and 20th centuries. The virus like expansions and contractions are, perhaps, appropriate for an age of rampant colonialism. One concern, however, is where are the great land powers? Shouldn’t China, Germany, and Russia be represented as well? At least Japan represented a significant maritime empire during the period between the Russo-Japanese war and the Second World War.