1910 Return of Halley's Comet (sale of anti-comet pills); Land speed record established (133 mph);
1911 Chili con carne and tamales first canned; Stainless steel patented; First trans-continental plane flight (82 hours);
1912 Titanic disaster in the North Atlantic; Cellophane perfected; First self-service grocery stores (California); Vitamin A discovered; Girl Guides (later Girl Scouts) founded;
1913 Cork bottle cap seals improved;
1914 Panama Canal opened; George Washington Carver's peanut experiments; Commercial frozen fish process developed; Passenger pigeon exterminated; Railroad tank trucks used to transport milk; World War I begins in Europe.
1915 Processed cheese introduced; Pyrex glass developed; First successful commercial motion picture (Birth of a Nation).;
1916 Fortune cookie invented (Los Angeles, California); Mechanical home refrigerator marketed;
1917 United States enters World War I; Bolshevik Revolution (Russia);
1918 Canned tomato sauce introduced; Electric food mixing machine patented; Pop-up toaster patented; World War I ends (11th hour of the 11th day of the 11th month); French-dip sandwich invented; Spanish influenza epidemic (500,000 deaths in U.S.);
1919 League of Nations formed; Homogenized milk sold commercially; 18th Amendment (Prohibition) adopted.
1920 Prohibition implemented; Automatic doughnut-making machine developed; Boysenberry developed;
1921 Processed cheese introduced in foil-wrapped loaves; Iodized salt introduced; Stainless-steel flatware introduced;
1922 19th Amendment passed (voting rights for women); Insulin developed;
1923 First commercial sale of tomato juice; Milky Way candy bar introduced; First American supermarkets (California; New York);
1924 Caesar salad created (Tijuana, Mexico); First effective chemical pesticide introduced.
Printed mention of hardtack, or hard biscuit made with flour, water, and no shortening or yeast, first appear in 1833? Hardtack was a basic food of sailors, and became a military ration staple during the American Civil War. [7: 8]
1925 Automatic potato-peeling machine developed; Scopes Monkey trial (Dayton, Tennessee);
1926 Daily dining car service implemented on the Santa Fe railroad; First successful flight over the North Pole;
1927 First solo flight across the Atlantic (Charles Lindbergh); Wonder Bread introduced; Kool-Aid invented; First successful demonstration of television;
1928 Commercial bread slicer perfected; First woman to fly across the Atlantic Amelia Earhart); Mickey Mouse introduced (Walt Disney); First scheduled television program;
1929 Stock Market crash; Milk in paraffin-lined paper cartons introduced; Coin-operated vending machine patented.
1930 Unprecedented drought (South and Midwest states); Sliced bread introduced commercially; Breadlines in major U.S. cities; Empire State Building completed; Bank panic (hundreds of American banks close); First successful round the world flight;
1932 Corn chips introduced; Route 66 completed (Chicago to Los Angeles);
1933 Prohibition repealed; Vitamin D fortified milk introduced; Tennessee Valley Authority Act (TVA) passed by Congress; Farm Credit Act passed by Congress; Roosevelt elected President; Civilian Conservation Corps (CCC) inaugurated;
1934 Terrible dust storms; Taylor Grazing Act passed to prevent soil erosion.
1935 Terrible dust storms continue; Works Progress Administration (WPA) instituted; Social Security Act; Pan American Clipper flights serve first hot meals to passengers;
1936 Boulder Dam (Hoover Dam) completed; Kitchen blender invented; Supermarket shopping cart developed; Spam introduced nationally; Golden Gate Bridge completed (San Francisco, California); Spanish Civil War;
1938 First drive-in hamburger stand; Teflon discovered; First sales of Girl Scout cookies;
1939 Pre-cooked frozen foods introduced; First widespread agricultural use of DDT; Discovery of Rh factor in human blood; Inauguration of trans-Atlantic commercial airline flights (Pan American); World War II begins in Europe; Nylon stockings first sold in United States;
1940 Bottle glass (Duraglas) developed; Freeze-drying process for food preservation developed; 40 hour work week implemented; McDonald brothers open drive in hamburger stand (southern California);
1941 United States enters World War II.
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