In Jul. 1955, the U.S. Department of Agriculture (USDA) and the U.S. Forest Service (USFS) sprayed DDT as…
In 1947, Little-known geneticist Barbara McClintock issued her first report on transposable elements – known today as jumping…
In 1937, Maurice C. Hall developed a technique, known as the “NIH swab,” to diagnose enterobiasis; it is…
In 1933, the New World Screwworm (NWS) was first documented as a significant problem in the Southeast following…
In 1925, the U.S. Congress voted to cut off its expensive Seed Distribution Program, which had consumed more…
On Jun. 2, 1924, in U.S. v. 95 Barrels Alleged Apple Cider Vinegar, the Supreme Court ruled that…
In 1923, more than 50,000 foreign plants had been introduced into the United States since 1862 by the…
In 1919, Edward Francis extended the earlier observations on tularemia. His other studies, continued into the 1920s, clarified…
In 1911, Drs. George W. McCoy, Charles W. Chapin, William B. Wherry, and B. H. Lamb elucidated a…
In 1908, Charles Nicolle and Louis Manceaux at the Pasteur Institute were the first to describe Toxoplasma gondii…
In 1907, the United States Department of Agriculture (USDA) issued Food Inspection Decision (F.I.D.) 76, which contained a…
In 1899, the USDA created the Section of Seed and Plant Introduction, which assigns its first Plant Introduction…
In 1889, the vedalia beetle (aka lady bug) was introduced from Australia to California to control cottonycushion scale,…
In 1887, the Hatch Act, written by Seaman Knapp and Charles Bessey on the faculty at Iowa Agricultural…
On Jul. 23, 1886, the first Oleomargarine Act became effective and defined the essence of butter and imposed…
In 1879, the College of Veterinary Medicine was established at Iowa State University in Ames, the nation’s first…
On May 15, 1862, the Organic Act established the Department of Agriculture (USDA) and directed its commissioner to…
In 1861, the U.S. Patent and Trade Office (USPTO) annual seed distribution exceeded 2.4 million packages of seed…