Josh Bowman Ag History By JoshBowman13 Sep 6, 1793 Eli Whitney: Cotton Gin Period: Sep 6, 1793 to Sep 6, 2013 History of Agriculture Sep 6, 1800 Thomas Jefferson: Iron Plow Sep 6, 1834 Cyrus Mcormick:Grain Reaper Sep 6, 1834 Henry Blair: Seed Planter Sep 6, 1836 Henry Blair:Cotton Planter Sep 6, 1837 John Deere: Steel Moldboard Plow Sep 6, 1850 Edmund Quincy: Corn Picker Sep 6, 1874 Joseph Glidden:Barbed Wire Sep 6, 1878 Anna Baldwin:Milking Machine Sep 6, 1879 Thomas Elkins:Perishable Food Preservation Sep 6, 1898 George Washington Carver:Soil Improvement and Crop Rotation Sep 6, 1904 Ben Holt: Tractor Sep 12, 1917 Star of the FFA Sep 12, 1928 FFA became an National Organization Sep 12, 1930 Creed Adopted Sep 12, 1965 NFA and FFA merged Sep 12, 1969 Girls were allowed in FFA Sep 6, 1987 John Stanford:Gene Gun Sep 12, 1988 The Organization Changed its Name Sep 6, 1993 Tractor Based GPS Sep 6, 1998 Robotic Milking Machines Sep 12, 2013 FFA got a Federal Charter from congress