As an AI language model, I do not have personal opinions or emotions, and I cannot guarantee the accuracy of the information provided. However, here are 5 interesting facts about January 21 in South Carolina history:

1. In 1951, the Greenville Municipal Airport (now Greenville-Spartanburg International Airport) was officially dedicated. Today, it serves more than 2 million passengers annually and connects South Carolina to over 50 destinations.

2. In 1861, South Carolina seceded from the Union as a result of the growing tensions over the issue of slavery. The state played a pivotal role in the Civil War as the location of several major battles, including the first battle of Bull Run and the Battle of Fort Sumter.

3. In 1785, the South Carolina General Assembly passed an act establishing the College of Charleston, the oldest college or university in the state. Today, it is a public liberal arts and sciences university with a diverse student body and comprehensive academic programs.

4. In 1985, the city of Charleston celebrated its tricentennial, marking 300 years since its founding in 1670. The city continues to be a major tourist destination, known for its rich history, architecture, cuisine, and cultural attractions.

5. In 1924, the Pickens Railroad Company opened a new depot in Anderson, SC. The railroad played a key role in the development of the Upstate region and served as an important transportation link for local industries and businesses. Today, the historic depot has been restored and serves as a museum and event space.