Name this Polish novelist of Quo Vadis. He also wrote the historical series The Trilogy, which details the battles of Andrzej Kmicic in its middle volume, The Deluge.
ANSWER: Henryk Sienkiewicz [or Litwos]
 The first volume of Sienkiewicz’s The Trilogy is a novel titled With Fire and [this item]. Durendal is an example of one of these items, described in the Matter of France as owned by a paladin of Charlemagne.
 That aforementioned paladin is this man, who dies at the battle of Roncevaux Pass after blowing the horn Oliphant. His exploits are detailed in a namesake 12th century Song.
2. It was founded in 1775, with Benjamin Franklin as its chief officer. For 10 points each:
 Name this government agency which began selling 5 cent stamps for letters weighing less than an ounce in 1847. This constitutionally authorized agency annually performs Operation Santa Claus.