From the first shots at to the launch of the , the events of this day reflect turning points that have shaped the nation’s political, social, and technological trajectory.
1861: Attack on Fort Sumter sparks the Civil War
The Battle of Fort Sumter began in 1861 when Confederate forces fired on the Union-held Fort Sumter in Charleston. The assault marked the outbreak of the American Civil War, initiating open conflict between the Union and the Confederacy.
1945: FDR dies in office, Truman becomes president
US President died in 1945 of a cerebral hemorrhage in Warm Springs at age 63. Vice President Harry S. Truman was sworn in soon after, taking office during the final phase of .
1955: Salk’s was confirmed safe and effective
The polio vaccine developed by Jonas Salk was declared safe and effective in 1955, marking a major advance in combating Polio. The breakthrough enabled widespread immunization and led to a sharp decline in cases.
1963: Arrest in leads to landmark civil rights letter
Civil rights leader was arrested in Birmingham in 1963 during anti-segregation protests. While in jail, he wrote the influential Letter from , which became a defining document of the civil rights movement.
1981: Space Shuttle program begins with
In 1981, the STS-1 mission marked the first launch of the Space Shuttle program, as Space Shuttle Columbia successfully lifted off. The mission ushered in a new era of reusable spacecraft and human spaceflight.
