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.

Law

How International Humanitarian Law Regulates Non-State Armed Groups

Quick fact

Despite not signing the Geneva Conventions, rebel groups are bound by them through Common Article 3 and customary international law, meaning they can be prosecuted for war crimes even though they never formally agreed to the rules.

Why this is interesting

We often assume laws are made by states for states—but when rebels or armed groups wage war, who makes the rules?