1. Christmas Day 1776: The American Revolution was in full swing when General George Washington led his troops across the Delaware River on December 25, 1776. While this historic event took place in Pennsylvania, many soldiers from Ohio were involved in the battle that followed.

2. Christmas Day 1812: The War of 1812 was raging when British troops invaded Ohio on Christmas Day in 1812. The Battle of Frenchtown took place near present-day Monroe, Michigan and involved both American and British forces.

3. Christmas Day 1837: The Ohio State Constitution was adopted on December 25, 1837. This constitution replaced the original constitution that had been in place since Ohio became a state in 1803.

4. Christmas Day 1868: Jason Lee, a prominent Ohio politician and businessman, died on Christmas Day in 1868. Lee had served in the Ohio State Senate and worked to improve transportation and infrastructure in the state.

5. Christmas Day 1979: The Cleveland Browns played their first playoff game in nearly a decade on December 25, 1979. The game, which took place at Municipal Stadium, was a memorable one for Browns fans, as the team defeated the Houston Oilers in a thrilling overtime win.