1950Frank McNamara launches the Diners Club card — the world's first multipurpose charge card.
The idea reportedly comes to McNamara after he leaves his wallet at home at a restaurant and has to phone his wife to bring cash — though the card is made of cardboard, not plastic.
Diners Club International Ltd. (DCI), founded as Diners Club, is a charge card company owned by Capital One. Formed in 1950 by Frank X. McNamara, Ralph Schneider (1909–1964), Matty Simmons, and Alfred S. Bloomingdale, it was the first independent payment card company in the world, successfully establishing the financial card service of issuing travel and entertainment (T&E) credit cards as a viable business. Diners Club International and its franchises serve members globally, with acceptance in over 200 countries and territories. As of 2024–2025, the network includes more than 55 card issuers operating in approximately 45 countries.