Remember when being part of the crowd meant taking your chances? From packing in shoulder to shoulder for front row views of Civil War battles, to lining up to watch dead whales explode, to full-blown riots while shopping, the biggest shared moments didn't just bring people together - they stirred things up. It's a wild, edge-of-your-seat trip back to the gatherings that prove our hazardous history was anything but orderly - but always had an eager audience!