Which agency appointed its first female chief in 116 years?

Explanation

– MI6, the UK’s Secret Intelligence Service, appointed its first female chief in its 116-year history.
– The appointment marked a historic milestone for the agency, which had previously been led exclusively by men since its founding in 1909.
– MI6 is responsible for the UK’s foreign intelligence gathering operations.
– Such leadership changes are typically closely watched given the secretive and historically male-dominated nature of intelligence agency leadership.