1. In 1874, the Brooks-Baxter War officially came to an end with the Arkansas Supreme Court ruling in favor of Governor Elisha Baxter. This political conflict arose from a disputed gubernatorial election and resulted in violence and armed clashes in the state capital of Little Rock.

2. On October 20, 1930, Governor Harvey Parnell signed a bill creating the Arkansas State Police department. This law enforcement agency was established to provide statewide investigative and protective services for the citizens of Arkansas.

3. The town of Corning in Northeast Arkansas received national attention on October 20, 1967, when President Lyndon B. Johnson visited the area to tour the flood damage caused by the Black River. The president declared the region a federal disaster area and promised government assistance for the recovery efforts.

4. The first Arkansas Rice Festival was held in Weiner, Arkansas on October 20, 1977. This annual event celebrates the important role of rice cultivation in the state's economy and features live music, carnival rides, and a variety of food vendors.

5. Arkansas native and country music legend Johnny Cash was posthumously inducted into the Country Music Hall of Fame on October 20, 2003. Cash, who passed away in September of that year, was recognized for his contributions to the genre and his impact on American popular music.