Public Land Act authorizes Federal land sales to the public in minimum 640-acre plots at $2 per acre of credit.
Potato famine in Ireland and the German Revolution of 1848 greatly increase immigration.
Cattle boom accelerates settlement of Great Plains; range wars develop between farmers and ranchers.
Most humid land already settled; heavy agricultural settlement on the Great Plains begins.
Scientists warn that global warming may affect the future viability of American farming; one of the worst droughts in the Nation's history hits Midwestern farmers.
Shay's Rebellion, a farmers' revolt against deflation
The South, with its primarily agricultural economy, is politically strong.
Louis McMurray contracts with farmers near Frederick, MD for vegetables to be canned in his factory, the beginning of vertical integration.
Farm prices and income reach Depression bottom.
Net farm income reaches a record $54.9 billion.
George Washington suggests to Congress the establishment of a National Board of Agriculture.
Agriculture Committee, U.S. House of Representatives, established.
Agriculture Committee, U.S. Senate established
Department of Agriculture raised to Cabinet status.
Federal Government's role in agriculture grows with passage of farm legislation.
Whiskey Rebellion, a farmers' revolt against taxes on grain in whiskey.
Farmers begin cooperative to make cheese and to market wool and tobacco.
941 agricultural societies in the United States.
Farmers' Holiday movement stages strikes and blocks farm sales.
Earth Day is celebrated for the first time.
Cotton begins to replace tobacco as the chief southern cash crop.
Competition with western farm areas begins to force New England farmers out of wheat and meat production and into dairying, trucking, and later, tobacco production.
Secretary of Treasury instructs consuls to collect seeds, plants, and agricultural inventions.
First hybrid-seed corn company organized.
96% of corn acreage planted with hybrid seed.