Sources:

Abbreviations and dialing codes: https://www.worldatlas.com/aatlas/ctycodes.htm
Famous figures: http://pantheon.media.mit.edu/rankings/people/all/all/-4000/2010/H15
Interactive map: https://www.fla-shop.com/products/wp-plugins/world/countries/
Trade data: https://atlas.media.mit.edu/en/