41st eon

The 41st eon was a time period. When Eban put on his ceremonial Helmet of Fourteen Confusions, he would make impromptu speeches written in the 41st eon.

Behind the scenes
The 41st eon was mentioned in Monsters and Aliens from George Lucas, a book published in 1993. Lucasfilm employee Leland Chee, who maintains the Holocron continuity database, has indicated that information contained in the book is non-canonical.