1. Fort Sumter National Monument is located in Charleston, South Carolina, and is a historic site that marks the beginning of the American Civil War. The fort was built in the 1820s and was occupied by Union forces until it was attacked by Confederate forces on April 12, 1861. The attack lasted for 34 hours, and this event marked the beginning of the Civil War. Today, Fort Sumter National Monument is a popular tourist destination and a fascinating place to learn about American history.

2. The working time for Fort Sumter National Monument varies depending on the season, but it is generally open from 9 am to 5 pm. Visitors are advised to check the official website or call the monument for up-to-date information. The phone number for Fort Sumter National Monument is (843) 883-3123.

3. Visitors can purchase tickets to Fort Sumter National Monument online or in-person at the visitor center. The cost of tickets varies depending on the type of tour and the age of the visitor. There are different transportation options to get to the fort, including a ferry from Liberty Square in downtown Charleston. Visitors are advised to arrive early to ensure they have enough time to explore the fort and learn about its history.