1. On September 6, 1968, civil rights activist Stokely Carmichael spoke at a rally in Washington, D.C., advocating for the rights of African Americans and urging them to take control of their own communities.

2. September 6, 1901, saw the opening of the first large-scale public library in Washington, D.C., known as the Carnegie Library. The building still stands today and serves as a cultural center.

3. On September 6, 1909, President William Howard Taft laid the cornerstone for the new Masonic Temple in Washington, D.C. The building was completed in 1915 and remains one of the largest Masonic temples in the world.

4. September 6, 1977, marked the first day of classes at Gallaudet University's newly established Department of Hearing and Speech Sciences. The department has since grown into a nationally recognized program in communication sciences and disorders.

5. The Washington Monument, which stands as a symbol of the nation's capital, was completed on September 6, 1884. The monument stands at 555 feet tall and attracts millions of visitors each year.