40 Must-See Photos From the Past (Slideshow) ~ Michael Fraiman

You might have seen one, two, even nine of these before—but have you seen the blurry headshot of Charlie Chaplin at age 27 (missed this one but there are many very interesting shots) ? Or a viciously unhappy hippo dragging a 1920s circus cart (did not spot this one)? Or Sweden’s disastrous first morning after switching drivers from the left to the right side of the road (last image)? Check out the full album here:  http://www.picturecorrect.com/tips/40-must-see-photos-from-the-past/