1837 Procter & Gamble was founded by William Procter, a candlemaker, and James Gamble, a soap maker. The two men married sisters.
1905 The P&G plant in Kansas City, Kan., was the first outside the company’s home of Cincinnati and employed 100 people. The Armourdale location at 19th Street and Kansas Avenue was selected for its proximity to the stockyards, which produced animal fats used in soap making.
1939 The plant on the north side of Kansas Avenue, just east of the Kansas River, occupied about 45 acres and employed 800 people.
1944 The introduction of detergents revolutionized the soap industry and prompted a series of expansions at the Kansas City, Kan., plant.
1947 P&G announced a five-story addition with a granule soap drying tower (for powdered detergent), costing an estimated $1 million. The expansion was expected to create 50 additional jobs.
1948 The P&G addition and a recent expansion by the nearby Colgate-Palmolive-Peet plant made Kansas City, Kan., the soap-production center of the country.
1950 Another P&G expansion was announced for a 10-acre tract to the north of the existing building.
1951 P&G gave $10,000 to the American Red Cross for relief from the great flood.
1956 P&G began construction of a new chemical plant on its property, at a cost of more than $500,000, for manufacturing synthetic detergents.
1959 P&G announced yet another expansion, a 112,000-square-foot warehouse at a cost of $500,000.
1961 The plant took steps to correct foul-odor complaints. A fire at the plant sent flames 50 feet into the air.
1962 The P&G plant here annually used 1,800 freight car loads of chemicals.
1963 P&G acquired J.A. Folger coffee company of Kansas City.
1965 The company announced yet another expansion on 13 acres to the northwest for the production of chemicals for synthetic detergents.
1970 Members of the plant’s independent union went on strike at the plant over contract issues.
1979 About 250 employees picketed over the loss of a 50-year-old bonus plan.
1980 A 26-year-old employee died after suffering critical burns over 90 percent of his body when a tank containing sulfur trioxide, a highly acidic chemical, ruptured. OSHA issued a fine of $2,100.
1981 The United Steel Workers of America organized a national boycott of P&G products after seven months without a contract.
1984 Workers at the plant voted to reject the United Steelworkers of America in favor of the Independent Oil and Chemical Workers.
1988 Fire and emergency workers battled nine hours to contain a leak of sulfur dioxide.
1989 Another worker, a 58-year-old man, died from an explosion that burned more than 90 percent of his body.
1994 P&G announced it would close four plants including one in Baltimore, which sent much of its equipment to Kansas City, Kan.
2010 P&G donated at least 7,000s bottle of Dawn dish soap from the Kansas City, Kan., plant to the gulf states for use in removing oil from wildlife after the Deepwater Horizon spill.
2015 P&G broke ground on a $500 million plant in West Virginia, where it will consolidate operations from Kansas City, Kan., and Iowa City, Iowa.
2018 P&G announced the Kansas City, Kan., plant will close in late 2020. The plant currently has 280 employees who produce Dawn, Gain, Ivory and Joy hand- and dish-washing detergents. It also employs 100 contract laborers.