While most people are familiar with the famous Japanese surprise attack on Pearl Harbor on December 7th, 1941, you probably don’t know about a similar Japanese attack 36 years earlier. The map above shows the battles of the relatively little known Russo-Japanese War of 1904-1905.
The United States has a population that is nearly five times greater than the United Kingdom. Yet, the UK still has more people than the 27 least populated states combined. On the other hand, the UK has fewer people than the two most populous states.
The map above shows how each of these combinations would look. In red, you can see that the UK has more people than the following states combined:
The map above shows all countries whose capital was not their largest city, based on population, in 2010. This explains why South Sudan does not appear as a separate country, however if it did it would not be among the countries included (Juba is both the capital and largest city of South Sudan).
Here are a few of the more interesting facts about these countries and cities: