'Bobs', a Labrador, serving with No 1 Dog Platoon of the Royal Engineers, locates a buried mine at Bayeux, France.

Guide Dogs for the Blind was founded in 1942 to aid blinded servicemen returning from World War II. The first veteran to graduate from the program was Sgt. Leonard Foulk, who was paired with a Guide Dog named Blondie.

This decorated little guy is listed as a WWI mascot with the Library of Congress. War dogs were on the front lines during the heat of battle and were used to relay messages as well as bring comfort to their human troops. Taken in 1918, we can only guess what his story was or what he meant to the man who fashioned him with a little jacket.

Charles Schulz (1922-2000). The inspiration for Snoopy was the Schulz's insane black and white pup, Spike. The "hunting dog" scoured for pins, tacks and razor blades and was generally uncontrollable. In fact, Spike would often race away from the house anytime a door was cracked open, and it was only his love for going on car rides that brought him back. Any time Spike made an escape, Charles would have to run and start honking his father's car horn repeatedly to lure the dog back home.

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