Trace how English, Hindi, and 400+ other languages all came from one ancestor.

A list of every end-of-the-world prediction that was wrong.

Hundreds of thousands of Wikipedia military history articles pinned to a 3D globe.

8,000 real letters written by ancient Romans, all translated and searchable.

Explore 700,000+ archaeological artifacts excavated during Amsterdam's North-South metro line construction. Each object tells a story spanning 800 years of city life.

A comprehensive online dictionary of word origins. Look up any English word and trace its history back through centuries of linguistic evolution.