Palm Sunday is a Christian holy day that celebrates the entry of Jesus into Jerusalem one week before his resurrection, which is celebrated on Easter. According to the Gospels, Jesus rode into the city on a donkey and was greeted by followers waving palms and olive branches as a symbol of peace and joy.MSNBC: Pope Demands Action to Stop Migrant Trafficking (April 5, 2009)
In 2009, Palm Sunday fell on April 5th, Orthodox Christians celebrate the date on April 12, 2009. On this day, Christian churches often distribute palm fronds to congregants.Associated Press: Christian Pilgrims Mark Palm Sunday in Jerusalem (April 5, 2009)
In 2010, Palm Sunday fell on March 28 beginning Holy Week.During his 2010 Palm Sunday sermon the Pope, Benedict XVI recognized 25 years of World Youth Day, which was first started by Pope John Paul II in 1985. The Pope challenged the youth of the day to continue to give testimony.
I renew that call for this generation, to give testimony with the gentle power and light of truth, so that men and women of the third millennium will not lack the most authentic model: Jesus Christ. I hand this mandate in particular to the 300 delegates International Youth Forum, who came from all over the world, convened by the Pontifical Council for the Laity." -- Pope Benedict XVI http://www.asianews.it/news-en/Pope:-Palm-Sunday,-Jesus-is-the-king-who-brings-heaven%E2%80%99s-peace-to-earth-18003.html
Fulfillment of a Prophecy?
The prophet Zechariah is quoted in the Bible as stating, "your king comes to you, righteous and having salvation, gentle and riding on a donkey." The manner of Jesus' entry into Jerusalem on Palm Sunday is held by Christians to represent the fulfillment of that prophecy.Got Questions.org: What is Palm Sunday?