In which year did the USA gain its independence?

1776

*The correct answer is Option 3 - 1776*

USA gain its independence in 1776.

The 9/11 attacks killed nearly three thousand persons. In terms of their shocking effect on Americans, they have been compared to the British burning of Washington, DC in 1814 and the Japanese attack on Pearl Harbour in 1941. However, in terms of loss of life, 9/11 was the most severe attack on US soil since the founding of the country in 1776.