1. On January 20, 1832, the Cherokee Nation filed a petition in the Supreme Court challenging the constitutionality of the Indian Removal Act of 1830, which authorized the forced relocation of Native American tribes from their ancestral lands in the southeastern United States to Indian Territory (present-day Oklahoma). The case, known as Worcester v. Georgia, ultimately led to the court ruling in favor of the Cherokee and recognizing their sovereignty as a nation.

2. In 1940, Tennessee Governor Prentice Cooper signed into law the first state sales tax in the United States, with a rate of three percent. The tax was intended to help fund public education and social services, and has since been raised to its current rate of 7 percent.

3. On January 20, 1953, Dwight D. Eisenhower was inaugurated as the 34th President of the United States, becoming the first Republican to win Tennessee's electoral votes since the Civil War. Eisenhower carried the state again in 1956, cementing Tennessee's transition from a historically Democratic stronghold to a more competitive two-party state.

4. In 1968, Memphis sanitation workers went on strike to protest unsafe working conditions, low wages, and racial discrimination. The strike gained national attention after the assassination of civil rights leader Martin Luther King Jr., who had traveled to Memphis to support the workers. The strike lasted for more than two months and ended with a agreement that granted the workers better pay and benefits.

5. On January 20, 2018, women's marches took place across Tennessee and the country, marking the anniversary of the inauguration of President Donald Trump and advocating for women's rights and social justice issues. An estimated 15,000 people marched in Nashville alone, with similar events taking place in Memphis, Knoxville, and other cities across the state.