1. On May 27, 1818, Andrew Jackson became the governor of the Florida Territory. Jackson, who later became the seventh president of the United States, played a key role in the United States' expansion into Florida.

2. May 27, 1933 marked the day that the Tennessee Valley Authority (TVA) was established. The TVA was a government-sponsored project designed to provide electricity to rural areas and promote economic development in the Tennessee Valley region.

3. On May 27, 1861, the Battle of Fort Pillow took place in Henning, Tennessee. Confederate forces led by General Nathan Bedford Forrest attacked Union troops stationed at the fort, resulting in one of the bloodiest battles of the Civil War.

4. May 27, 1993 was the day that the Briley Brothers, a trio of convicted murderers, were executed in Nashville, Tennessee. The Briley Brothers were responsible for a series of brutal crimes in the late 1970s that terrorized the Richmond, Virginia area.

5. May 27, 2010 marked the day that the historic Grand Ole Opry House in Nashville was flooded. The flood, which was caused by heavy rainfall, caused extensive damage to the venue and forced the Opry to temporarily relocate to other venues before it could be repaired.