Incredible Coincidences That Are Hard To Believe Have Actually Happened

Some might say it’s just because people don’t understand probability. In their 1989 paper, Methods for Studying Coincidences, the mathematicians Persi Diaconis and Frederick Mosteller considered defining a coincidence as “a rare event,” but decided “this includes too much to permit careful study.” Instead, they settled on, “A coincidence is a surprising concurrence of events, perceived as meaningfully related, with no apparent causal connection.”