1. US History This Day in American History August 6
First draft of Constitution debated - In Philadelphia, delegates to the Constitutional Convention begin debating the first complete draft of the proposed Constitution of the United States.

2. US History This Day in American History August 6
Atomic bomb dropped on Hiroshima -The United States becomes the first and only nation to use atomic weaponry during wartime when it drops an atomic bomb on the Japanese city of Hiroshima.

3. US History This Day in American History August 6
Johnson signs Voting Rights Act - On this day in 1965, President Lyndon Baines Johnson signs the Voting Rights Act, guaranteeing African Americans the right to vote. 

4. US History This Day in American History August 6
George R.R. Martin’s Game of Thrones debuts - On this day in 1996, “A Game of Thrones,” an epic fantasy novel by George R.R. Martin, is released. The book was the first in Martin’s “A Song of Ice and Fire” series, about feuding medieval noble families on an imaginary continent called Westeros.