On todays world stage, one leader stands apart. Queen Elizabeth II has seen more of the planet and its people than any other head of state, and has engaged with them like no other monarch in British history. Since her coronation, she has visited over 130 countries across the ever-changing globe, acting as diplomat, stateswoman, pioneer and peace-broker.

She has transformed her father’s old empire into the Commonwealth, her ‘family of nations’, and has come to know its leaders better than anyone. In 2018, they would gather in her own home to endorse her eldest son, the Prince of Wales,...