The first few years of the 1930's were during the Great Depression. http://en.wikipedia.org/wiki/1930s
The Great Depression began and crippled American until WWII
As it happened in 1930 the finalists were Uruguay and Argentina.
1930's
Pluto was discovered
Castellammarese War happened in 1930.
Phu Rieng Do happened in 1930.
Hathikhel massacre happened in 1930.
Takkar Massacre happened in 1930.
Mass unemployment
They were locked up in asylums.
GP Wolber happened in 1930-10.
Zilan massacre happened in 1930-07.
Do you mean what changes came to NH due to the great Depression?