Congrats! My first was in 1984. I happened to have played a new "molitor" golf ball. The pro in the golf shop entered my name in the contest "molitor" was having. Did not win the grand prize, but it was in the top 5 of the end of year drawing and received a boat load of goodies.
Since then I have had 3 more. I have seen several other than my own. Most have been good golf shots, but I have also seen 2 which were bad misses that ended up in the hole. One of those hit a tree well off line, kicked right and eventually rolled into the hole for the players first hole in one. I was also playing in a good size group (6 foursomes and 2 threesomes) which were playing a "skin pot," when two players had a hole in one on the same hole. It was the first hole in one for both of them. They were not in the same foursome, but were back to back. The first player literally saw his ace tied as he watch the group behind him from the tee box of the next hole. The hole in one plaques hang side by side in my home course, Nevel Meade, Prospect, KY, but don't tell the rest of the story.