Human beings have recognized and interpreted celestial objects and events since time immemorial. The sky, our common and universal heritage, forms an integral part of all human cultures around the world. The Ancient Skies Project aims to collect, verify and publish available information about various human cultures and their astronomical knowledge in one single web-accessible knowledgebase.

The overall vision for the project is

In this paper we describe the basic tenets of the project, discuss the design of the knowledgebase, and compare the project to other similar projects.