History of voting. Secret ballots are an Australian invention, only adopted at the tail end of the 19th century in the United States.
Only slightly more frivolous. Favorites include: Tastycrats, Party of Girls, Anal Compulsive Party, National Bocialist Party.
Arguably, this list could stand to be muchh longer, but apparently any party (such as the Constitution party in the US) with any legitimate elements to its party platform is not considered frivolous.