Modern-Day Countries of Monaco on a Map

Can you name the countries of Europe in the year 1444, based on the video game "Europa Universalis 4"?

Try to name all the modern countries that were once part of the Inca Empire at its height in 1525.

With the help of a map, try to name all the modern-day countries whose territory was ever controlled by the Seljuk Turks.

Using the map for help, name countries visited by Columbus in the order he visited them.