This is a Christian celebration of the resurrection of Jesus Christ. The secular aspect of the holiday includes the Easter bunny and egg hunting. The date is movable and determined by a lunisolar calendar. This places the date on a Sunday between March 22 and April 25th on the Gregorian calendar.
Regular Websites
Puts forth a video about the history of Easter as well as information about symbols, festivals and pagan origins. - History.com: Easter
http://www.history.com/content/easter
Presents a range of secular and religious crafts, coloring pages, clip art, games and party ideas. - Kaboose: Easter
http://holidays.kaboose.com/easter/
Learn about the pagan and Christian origins of this holiday - Religious Tolerance: Easter
http://www.religioustolerance.org/easter.htm