In 1999, Hamad bin Isa Al Khalifa succeeded his father.
An alleged failed coup d'état was attempted in 1981.
In 1965, a one-month uprising erupted by oil workers was crushed.
The following year a new British "adviser" was appointed.
Ian Henderson was then known for allegedly ordering torture and assassinations in Kenya.
He was tasked with heading and developing the General Directorate for State Security Investigations.