Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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One in three dog owners say they have talked to their pets on the phone.
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Two dogs were among the Titanic survivors.
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Dogs have four toes on their hind feet, and five on their front feet.
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