October 23, 1921Death of John Boyd Dunlop who re-invented the pneumatic tyre from the design of Robert W Thomson.
September 7, 1921Frank Duff founds the Association of Our Lady of Mercy, later to be known as the Legion of Mary
August 25, 1921Birth in Belfast of Brian Moore who is best known for his novel The Lonely Passion of Judith Hearne
Ireland
Ireland