quick name someone from the 15th century.
chances are you named someone with the initials CC
that said, in 500 years when students are looking at world (or perhaps galactic?) history, who will be remembered? My vote, and I'm taking this from a classic SSfan SOTOTT post, is Neil Armstrong - first man on the moon, that will still be significant in the year 2600 imo...
other ideas? feel free to throw in 20th or 21st century people, places, events, all that goodness