Easter in May?

Here's an article I found about how the date of Easter is determined. The basic idea is that Easter is to be on the first full moon after the Spring Equinox because that was when the Bible says Jesus was killed and resurrected. But this article is really interesting because it talks about the trouble historically with dating Easter and some things that can pop up in the future.  Apparently Easter will be in May 300 years from now...

http://www.timeanddate.com/calendar/determining-easter-date.html