The first Civil Rights Act which guaranteed that everyone regardless of race color or previous condition of servitude was entitled to the same treatment in public places such as inns and theaters was?

The first Civil Rights Act, known as the Civil Rights Act of 1866, was enacted on April 9, 1866. It aimed to protect the rights of African Americans in the aftermath of the Civil War, ensuring that all individuals, regardless of race, color, or previous condition of servitude, were entitled to equal treatment in public accommodations. This legislation laid the groundwork for future civil rights advancements in the United States.