Monsanto Monsanto The Monsanto Company () was an American agrochemical and agricultural biotechnology corporation that existed from 1901 until 2018 when it was acquired by Bayer. It was headquartered in Creve Coeur, Missouri. Monsanto developed Roundup, a glyphosate-based herbicide in the 1970s, and became a major producer of genetically engineered crops. Monsanto was one of four groups to introduce genes into plants (1983), and was among the first to conduct field trials of genetically modified crops, (1987). It was one of the top 10 U.S. chemical companies until it divested most of its chemical businesses between 1997 and 2002, through a
Monsanto (Idanha-a-Nova) Rooster (Galo de Prata), designed by Abel Pereira da Silva, can be seen atop the Clock Tower or Lucano. The mountain Monsanto (Latin: Mons Sanctus) rises abruptly to the East of the Idanha-a-Nova up to 758 meters above sea level. The earliest traces of man is from Early Stone Age at the time of the ice-ages. Later, Romans settled at the base of the mountain. Also traces from Visigoth in the early Middle Ages and even earlier Arab presence has been found in the area. In the 12th century, King Afonso I of Portugal conquered Monsanto from the Moors as