The first time that "themes" were used to organize camp activities (tribe names, songs, merit system, programs, skits, etc.) was in 1981. Prior to that tribes were given a letter and names were made up, but not related to a common theme.
Here is a listing of all the themes of GVRC since 1981.
1981 - Animals
1982 - Music Groups
1983 - Countries
1984 - Olympic Games
1985 - Cars
1986 - Vegetables
1987 - Hawaiian / Tropical
1988 - Mother Goose / Fairy Tales
1989 - Outer Space
1990 - Hollywood
1991 - The Wizard Of Oz
1992 - Holidays / Months Of The Year
1993 - Disney
1994 - The Flintstones / Prehistoric
1995 - Wild West
1996 - Nautical
1997 - Middle Ages / Renaissance
1998 - Dr. Seuss
1999 - The Circus
2000 - The "Next Generation" (Star Wars, Star Trek, Etc)
2001 - Mythology
2002 - Super Heroes
2003 - Willy Wonka And The Chocolate Factory
2004 - Jungle
2005 - The Beach
2006 - Down on the Farm
2007 - The Muppets
2008 - Pirates
