1920 - Radium infused bread. It's delicious. "Radium water from Joachimstal was used in the production of loaves manufactured by the Hippman-Blach bakery in what is now the Czech Republic. Despite the actual technique of production potentially leading to high levels of radium the amount that was actually present in the bread was not deemed to be harmful. One simple mistake in the production process though and the bread could have been highly dangerous."