Mass Production 1700-1920s By charles76 Period: Jan 1, 1700 to Jan 1, 1920 Start of Mass Production Jan 1, 1764 Spinning Jenny was created which sped up the production of cotton Mar 14, 1793 Cotton Gin created by Eli Whitney Jan 1, 1846 Immigrants begin to pour into the United States Oct 1, 1908 Model T created by Henry Ford Jul 28, 1914 WWI is declared which sparks a industrial boom