- **Date of Independence:** July 4, 1776 (as part of the original 13 colonies declaring independence from Britain) - **Date of Annexation to [[United States of America (USA)]]:** March 1, 1803 (17th state to join the Union) - **Population (2025):** 11.94 million - **GDP (2025):** $804 billion - **Largest City:** Columbus (933,000) - **State Capital:** Columbus (933,000) - **Historical Note:** Known as the "Buckeye State." Part of Northwest Territory and Northwest Ordinance of 1787. Birthplace of aviation (Wright Brothers) and home to Presidents [[Ulysses S. Grant]] and [[William McKinley]] among others. Major industrial center with automotive, steel, and manufacturing. Home to major universities and Rock and Roll Hall of Fame.