Wordnet 3.0
NOUN (2)
1. 
 an ancient Egyptian city on the Nile River that flourished from the 22nd century BC to the 18th century BC; 
 today the archeological remains include many splendid temples and tombs; 
2. 
 an ancient Greek city in Boeotia destroyed by Alexander the Great in 336 BC; 
WordNet (r) 3.0 (2006):
Thebes
    n 1: an ancient Egyptian city on the Nile River that flourished
         from the 22nd century BC to the 18th century BC; today the
         archeological remains include many splendid temples and
         tombs
    2: an ancient Greek city in Boeotia destroyed by Alexander the
       Great in 336 BC
U.S. Gazetteer Places (2000):
Thebes, IL -- U.S. village in Illinois
   Population (2000):    478
   Housing Units (2000): 213
   Land area (2000):     1.799708 sq. miles (4.661222 sq. km)
   Water area (2000):    0.512752 sq. miles (1.328021 sq. km)
   Total area (2000):    2.312460 sq. miles (5.989243 sq. km)
   FIPS code:            74873
   Located within:       Illinois (IL), FIPS 17
   Location:             37.219177 N, 89.456915 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Thebes, IL
    Thebes