Uranus (Ouranos, Caelus) Sightings

Theogony by Hesiod 800BC - 700BC
Hesiod gives you all the dirt on Uranus's downfall in this ancient epic poem.
The Library by Apollodorus 200BC - 100BC
Read all about Uranus's monster-babies in this epic poem.
The Metamorphoses by Ovid 2
Ovid kicks off his epic collection of poems by describing the birth of Uranus (the sky) and everything else. (Yay, we love baby pictures.)
Marvel Comics 2008
The god of the sky first makes an appearance in the Hulk vs. Hercules.