Below is a list of nine significant time periods in Ohio's history. To browse the entries in ''Ohio History Central'' related to any of these periods, click on the time period of your choice.
== [[:Category:Prehistory | Ancient Ohio(Prior to 1650)]] ==
History began with written records. To understand the past, historians read documents left behind by earlier people. Of course, people existed before written records. According to scholars, these people are "prehistoric." "Prehistoric" or "prehistory" simply means before written records.
View the "[[:Category:Prehistory | Ancient Ohio]]" entries.
== [[:Category:Exploration To Statehood | Exploration To Statehood (1650-1803)]] ==
European exploration of the area that is now Ohio began in the seventeenth century. The first explorers were French, but British ones soon followed their earlier counterparts.
View the "[[:Category:Exploration To Statehood | Exploration To Statehood]]" entries.
== Early Statehood (1804-1859) ==
Ohio became the seventeenth state of the United States of America on February 19, 1803. Tremendous growth and development marked the state's next fifty years of history.
View the "Early Statehood" entries.
== Civil War (1860-1865) ==
Although most of the American Civil War was fought outside of Ohio's borders, the Buckeye State played a huge role in determining the outcome. Hundreds of thousands of Ohioans fought for the Union, and many of the North's leading generals were from Ohio. Few would dispute that Ohio's contributions were vital in determining the Union victory.
View the "Civil War" entries.
== Industrialization and Urbanization (1866-1900) ==
Ohio underwent tremendous change in the late nineteenth century. While Ohio had boasted one of the most diverse economies in the United States of America before the Civil War, agriculture still dominated. During the late 1800s, industrialization erupted in the state.
View the "Industrialization and Urbanization" entries.
== The Progressive Era (1901-1928) ==
During the late nineteenth and the early twentieth centuries, Ohio underwent tremendous change. One of the principal changes was the shift from a predominantly agricultural economy to a much more industrialized one.
View the "The Progressive Era" entries.
== Great Depression and World War II (1929-1945) ==
The Great Depression and World War II were two tumultuous events in American history. While both events caused American confidence to wane, the United States emerged from both the Great Depression and World War II stronger and more confident than before.
View the "Great Depression and World War II" entries.
== The Cold War and Civil Rights (1946-1975) ==
From 1946 to 1975, two important themes dominated United States history: the Cold War and civil rights. The events and outcome of World War II served as the impetus for the emergence of each.
View the "The Cold War and Civil Rights" entries.
== Towards the 21st Century (1976-) ==
From 1976 to present day, Ohio has been in transition. Several fundamental changes in the political, economic, and social lives of Ohioans characterizes this era.
View the "Towards the 21st Century" entries.