The Elves of the seconds age, fearing change and the end of their natural power, created these artifacts to preserve magic in Middle Earth.
The Rings of Power
This New Zealand sfx company created all the practical effects for the trilogy.
Weta Workshop
Khamûl is the only named member of this group of villains.
The Nazgûl
It's how long it took to destroy the ring, from the day Frodo and Sam left The Shire to the day they entered Mt. Doom. (Closest Answer)
6 Months, 3 Days
Bilbo's ancestor Bandobras Took is credited with inventing this sport after knocking off the head of a Goblin king with a wooden club.
Golf
Early in their journey, Frodo, Sam, Merry and Pippin are saved from a terrible fate by the song of this jolly magical man.
Tom Bombadil
Excluding Sauron, this character possessed The One Ring for the longest amount of time.
Gollum
Most of the Rohirrim in the films are played by these, who brought their own horses to shoots.
Women
Sam Gamgee is the only known person to wound this ancient villain.
Shelob
It's the name of Gondor's capital city, now fallen into ruin after decades of attacks from orcs and Uruk-hai.
Osgiliath
This very popular variety of pipe-weed in The Shire is named after its discoverer Tobold Hornblower.
Old Toby
This penultimate chapter of The Return of the King was not included in the film due to the "tonal whiplash" it would have caused.
The Scouring of The Shire
The legendary score of the film trilogy was composed by this Canadian composter.
Howard Shore
Though very powerful, Sauron started off as merely a lieutenant to this ancient personification of evil.
Morgoth (or Melkor)
Bilbo Baggins was this age when he left The Shire for what he thought would be the final time.
Eleventy one
During his rescue of Frodo from Cirith Ungol, Sam uses the Phial of Galadriel to ward off these evil guardian spirits.
The Two Watchers

Not including the credits, it's the total runtime (in minutes) of all three extended edition movies. (Closest Answer)
656 minutes (10 hours and 56 minutes)
Invented by Peter Jackson for the movie, it's the name of the Uruk-hai who kills Boromir with many arrows.
In a reversal of what we do in our culture, Hobbits are expected to this on their birthdays.
Give gifts
Contrary to popular belief, the second book's title The Two Towers actually refers to these two places.
Orthanc and Minas Morgul

He's the only member of The Lord of the Rings cast to have met Tolkien in person.
Sir Christopher Lee