museum timeline By map2008 9800 BCE Wisconsin Glacier 8500 BCE domestication of wheat 7000 BCE domestication of corn 7000 BCE domestication of soybeans 1738 crop rotation was invented Mar 1, 1817 Founding of Darke County 1837 First working combine 1845 creation of the Ohio Board of Agriculture 1852 Formation of the Darke County Agricultural Society 1853 Darke County Fair 1970 vermiculture (worm farms) were first used 1996 creation of Gardeners Thumb Worm Casting LLC
