1903 - founded by Harry Percy Gibson in London, England as The International Card Co., trading from offices in Aldersgate Street, supplying card games and postcards;

1919 - International Card business sold to De La Rue company; H. P. Gibson & Sons Limited formed; The International Series brand continued to be used on some products until 1980's;

1940 - company's premises and manufacturing equipment destroyed during the blitz; Robert & Harry Gibson (jnr.), sons of the founder, re-established trading from Barrett Street, London, England; 1980s - started producing Jigsaw puzzles; Michael Gibson now managing business based at 2 Gemini Court, 42a Throwley Way, Sutton, Surrey SM1 4AF