This time around, we start with Windsor McCay's "Gertie the Dinosaur," released in 1914, and causing a sensation! Many have said that this one cartoon launched the animation industry.
Quite a bit different was McCay's "The Centaurs," in which McCay was going for realism, as seen in this fragment of the cartoon:
Even more in the realism effort was McCay's "The Sinking of the Lusitania," seen below:
Next time: Rube Goldberg!