History is the study of past events and their impact on human societies. This category includes metrics such as historical landmarks, museums, and archaeological sites.
Information on the number of countries the United States has invaded throughout its history, featuring data on the primary type of interaction, the year of the invasion, a specific role undertaken, and additional details.
List of the oldest countries in the world, highlighting the top ten oldest countries by date of self-sovereignty, and by date of earliest known organized government as well as the ten youngest countries in the world.
Details and analysis on the oldest country in Europe, Europe's oldest country, and which country is the oldest in Europe.