more information HERE
and it includes the factoid of the day:
Tradition relates that in Italy Mary Magdalene visited Emperor Tiberius and proclaimed to him Christ’s Resurrection. She gave him a red egg as a symbol of the Resurrection, a symbol of new life with the words: “Christ is Risen!” Thanks to Mary Magdalene the custom to give each other paschal eggs on the day of the Radiant Resurrection of Christ spread among Christians over all the world. [source]
oh yes: Russian easter is celebrated on a different day.