Important: All statements refer to the modern-day countries and their territories. For example, Spain fits the statement “Was part of the Roman Empire (totally or partially)” even though there was no such country at the time.

The publisher and the designer have gone over all the statements multiple times checking them through multiple sources. To the best of their abilities, they have made sure that the statements are true as of the end of 2023. As time goes by, events happen, and facts can change.