You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
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Question: Category: FAMOUS FOLKS 
Clue: During WWII this Geodesic Dome inventor headed mechanical engineering for the Board of Economic Warfare

Answer: buckminster fuller


Question: Category: HISTORY 
Clue: This "Great" king who died in 4 B.C. married Mariamne, the last princess of the Maccabees' line

Answer: herod the great


Question: Category: BY 2000 
Clue: Computers that recognize 00 as this date have to be fixed by the year 2000

Answer:
1900