Not probably what you were going for, but http://www.math.uah.edu/stat/data/HorseKicks.html http://www.math.uah.edu/stat/data/HorseKicks.html has an interesting

Not probably what you were going for, but http://www.math.uah.edu/stat/data/HorseKicks.html http://www.math.uah.edu/stat/data/HorseKicks.html has an interesting backstory, to do with the development of Poisson distributions.