1. South Carolina's First Constitution Ratified
On November 20, 1776, South Carolina became the first state to adopt a constitution in the United States. The new constitution established a framework for government, including a two-house legislature, courts, and a governor.

2. Charleston's First Public Library Opens
On November 20, 1931, Charleston opened its first public library. The library was housed in a building on Calhoun Street and became a hub for literary activity in the city.

3. Fort Sumter Construction Begins
On November 20, 1828, construction began on Fort Sumter in Charleston harbor. The fort was built to protect the city from potential naval attacks, but it would later play a key role in the start of the Civil War.

4. First Telephone Exchange in Columbia
On November 20, 1880, the first telephone exchange opened in Columbia. The exchange allowed for direct communication between subscribers, establishing a new era of telecommunications in the city and the state.

5. Hurricane Hugo Makes Landfall
On November 20, 1989, Hurricane Hugo made landfall near Charleston, South Carolina. The hurricane caused extensive damage across the state, including significant damage to homes, businesses, and infrastructure. The storm resulted in 35 deaths and more than $8 billion in damages.