n 29 September 1923, the British empire reached its peak, geographically speaking. As the Palestine mandate, administered by Britain, came into force, the empire was at its largest square mileage. That day was significant across the empire for other reasons too: the prime minister of Canada arrived by steamship in Liverpool for the Imperial Conference that began in London two days later. Adelaide Casely-Hayford opened her technical school for girls in Freetown, Sierra
