AC3 French Revolution! [Spoilers]

This article makes sense, here's the quote...

"Namely, the Phrygian Cap AKA Liberty Cap, shown as one of the light symbols emanating from the Apple of Eden at the end of Brotherhood, that symbolizes freedom and the pursuit of liberty. Before the Apple freezes time, Shaun is about to tell Desmond, Lucy & Rebecca that a Phrygian Cap and the other symbol, a Masonic Eye, only come together in the Declaration of the Rights of Man and the Citizen, a defining radical document of the French Revolution"

Here's the whole article...

http://www.videogamesblogger.com/2009/06/10/assassins-creed-3-will-see-desmond-become-the-ultimate-assassin.htm