Wolfram Data Repository
Immediate Computable Access to Curated Contributed Data
A parallel corpus for machine translation systems, information extraction and other language processing techniques
The Code of Hammurabi
Personal and historical ideological data on US Supreme Court justices
The number of soldiers in the Prussian cavalry killed by horse kicks from 1875 to 1894
Text of Magna Carta Libertatum (the Great Charter of the Liberties) which agreed to grant a fair trial and right to justice to all 'free men'