Khalifa Bin Zayed Al-Nahyan, who died in May 2022, lived through a period of extraordinary change for his country. Born at a time when pre-oil Abu Dhabi was relatively isolated and under British protection, as head of state from 2004 until 2022, Khalifa played a key role in the UAE’s emergence on the regional and world stage – while being progressively replaced in decision-making by his half-brothers, led by Mohammed Bin Zayed.