-
Period: 21,980 BCE to 11,980 BCE
The Glaciers
-
Period: 800 BCE to 100
Adena culture
-
Period: 100 BCE to 500
Hopewell culture
-
Period: 1000 to
Fort Ancient Culture
-
Marietta 1st permanent settlement
-
Moses Cleaveland arrives
-
Cleveland becomes the 17th state, Chillicothe is the capital
-
Columbus becomes the state capital
-
1st Abolitionist newspaper "The Philanthropist" is published
-
dugout the mouth of the river
-
completed the Ohio and Erie canals
-
The Wyandottes, are the last American Indian tribe in Ohio and they leave
-
Ohio`s 1st state fair
-
John Rockefeller est.1st business on the river
-
1st major fire on the river
-
steel, Ohio`s first industry
-
the end of the rapid industrial growth
-
100 million dollars are used to help clean up the river
-
30 min fire on the river
-
Clean Water Act passes
-
Cuy Valley National Park est
-
project Clean Lake
-
fire on the river because of a oil spill
