1. Ohio became the 17th state on December 6, 1802: On this day, President Thomas Jefferson signed a law that officially admitted Ohio into the Union as the 17th state. Ohio's statehood was a significant development as it provided a valuable gateway to the westward expansion of the United States.

2. The Wright brothers made their first powered flight on December 6, 1903: The Wright brothers, Orville and Wilbur, successfully tested their first powered airplane in Kitty Hawk, North Carolina on December 17, 1903. However, they conducted several tests and made notable progress in their work before that day, including an important four-mile flight near Dayton, Ohio on December 6, 1905.

3. A deadly fire struck Ohio's most significant school tragedy on December 6, 1908: The Collinwood school fire was a tragic event that claimed the lives of 172 students and two teachers in a devastating blaze that erupted in a schoolhouse in the Cleveland suburb of Collinwood. The blaze spurred a significant overhaul of fire safety regulations in schools across the United States.

4. Cleveland hosted its first rock concert on December 6, 1952: The Moondog Coronation Ball was a groundbreaking event in rock history, attracting over 20,000 fans to the Cleveland Arena. The show featured headliners like Tiny Grimes, the Dominoes, and Paul Williams and His Hucklebuckers, and is widely recognized as the first major rock concert in history.

5. Ohio's first female governor was elected on December 6, 1982: On this day, Ohio elected its first female governor, Republican Betty Sutton, who won a runoff election against Democrat Anthony Celebrezze Jr. Sutton served as Ohio's governor from 1983 to 1991, having previously served as the state's lieutenant governor.