Ketchup started as a Chinese fish-based sauce, then it was picked up by the British and made into a mushroom-based sauce, and finally picked up by the Americans and made into a tomato-based sauce.
The upside-down ketchup bottle earned its inventor 13 million dollars.
In 2011, ketchup was banned in French School Cafeterias on the grounds that it posed a threat to the national cuisine.
Ketchup was originally a fermented fish sauce and did not include tomatoes, as tomatoes were thought to be poisonous at that time.
Banana ketchup is popular in the Philippines.
Ketchup was sold as medicine in the 1830’s