WATCH: The Queen's 70-year reign in 70 pictures

AI Briefing

• – Queen Elizabeth II's long reign marked by numerous milestones, including the decolonization of Africa and the dissolution of the Soviet Union.
• – She became the longest-reigning British monarch in history in 2015, surpassing Queen Victoria.
• – The Queen has reigned through major world events, including the Apollo moon landing and the fall of the Berlin Wall.