We've all been the only witness to something happening at one point. But most of these times are so insignificant or common, we don't even realize it. A leaf falling from that specific tree, water running down your windshield, your kitten doing a flip midair in your living room. While it's beautiful and interesting, our brain just doesn't bother to give it any significance.
On the other end of the spectrum are the things all people would recognize as next to impossible to see with your own eyes. Reddit user just__Steve asked people if they've ever seen anything they instantly realized was extremely rare. While they might not have been the only people witnessing the events, they sure were entranced by what was happening before their eyes.
From celestial events to a mama whale and her calf