I feel really guilty because I didn't go to Mass today, and it is Palm Sunday.
Palm Sunday marks the start of Holy Week and commemorates Jesus's arrival in Jerusalem, when the crowds were cheering him and waving palms as a sign of their support. Later on in the week, the same crowds would be shouting for him to be executed and crucified. Talk about a fickle crowd, eh? You know what they say, a week is a long time in politics! (Did they have mass media in those days?)
Anyway, all joking aside, Holy Week is the most important week in the Christian calendar. This Thursday is Maundy Thursday, then Good Friday when we remember Jesus's death on the cross. There is an Easter Vigil mass on Saturday night, which leads onto Easter Sunday, the most important day of the year for us Christians.
My favourite mass of the year is Easter Vigil, when the church is dark and we wait for the light of Christ. Even for a rubbish Catholic like me, there's something special about the Easter Vigil mass.