1. In 1792, the Kentucky General Assembly formally approved the conversion of the town of Lebanon into a county seat, establishing Marion County in the process.

2. Mary Todd Lincoln, the wife of President Abraham Lincoln, was born in Lexington, Kentucky on March 5, 1818. She was the first lady of the United States during her husband's presidency from 1861 to 1865.

3. In 1908, the Kentucky State Capitol in Frankfort was destroyed by a fire. Although the building was eventually rebuilt, the incident raised concerns about the state's lack of fire-prevention measures.

4. One of the deadliest tornado outbreaks in Kentucky history occurred on March 5, 1961, with 37 confirmed tornadoes hitting the state. The storms resulted in 79 deaths, over 1,000 injuries, and $15 million in property damage.

5. On March 5, 2015, the Kentucky House of Representatives passed a bill allowing industrial hemp cultivation in the state. This marked a significant step forward in Kentucky's efforts to reclaim its historic role as a major hemp producer.