Today is the Feast of All Saints, an Holy Day of Obligation.
(Do you have any idea how hard it is to find an illustration for All Saint's Day?!)
The Collect from the Roman Breviary:
Almighty and everlasting God, who hast granted us to venerate the merits of all thy Saints in one solemnity, vouchsafe to us, we beseech thee, through the multitude of our intercessors, that abundance of thy mercy for which we ever have hoped. Through.
The Propers with the Lessons are available here.
The article from the Catholic Encyclopædia.
From Medieval Saints at Yahoo!
The article on the Feast from Wikipedia.