CESHIA By 11913731 Sep 6, 1793 Cotton gin- Eli Whitney Period: Sep 6, 1793 to Sep 6, 2013 ceshia Sep 6, 1800 Iron plow- Thomas Jefferson Sep 6, 1834 grain reaper- Cyrus McCormick Sep 6, 1834 Seed planter - Henry Blair Sep 6, 1836 COTTON PLANTER -Henry Blair Sep 6, 1837 steel moldboard plow -John Deere Sep 6, 1850 corn picker - Edmund Quincy Sep 6, 1874 barbed wire- Joseph Glidden Sep 6, 1878 milking machine- Anna Baldwin Sep 6, 1879 perishable food preservation - Thomas Elkins Sep 6, 1890 soil improvement and crop rotation Sep 6, 1904 trator - ben holt Sep 12, 1917 smith hughes act Sep 12, 1920 future farmer club Sep 12, 1928 FFA became a national organization Sep 12, 1935 NFA was formed Sep 12, 1950 FFA became one of the few students organization Sep 12, 1969 girl joined FFA Sep 6, 1987 gene gun- John Sanford Sep 12, 1988 named changed Sep 6, 1990 robotic milking machines Sep 6, 1993 gps technology (tractor) Sep 12, 2013 FFAand NFA merged