Bahrain Independence Day occurred on 15 August 1971, when the country declared independence from the British following a United Nations survey of the Bahraini population.
The British announced the withdrawal of their troops east of Suez in the early 1960s.
Bahrain declared its independence on 15 August 1971,[1][2] marked by the signing of a friendship treaty with the British that terminated previous agreements between the two sides.
Instead, the state annually celebrates 16 December as National Day, to coincide with the day that late emir (ruler) Isa bin Salman Al Khalifa ascension to the throne.
As such, 16 December is a national holiday and is usually celebrated with firework displays.