Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

History

The Democratic Peace Theory: Empirical Evidence and Critiques

Quick fact

Since 1815, there are very few, if any, clear cases of two established democracies going to war with each other—a pattern that persists despite many wars between democracies and non-democracies.

Why this is interesting

You've probably heard that democracies don't fight each other. But is that actually true? And if so, why?