Why the greatest thing since sliced bread was briefly banned by the US government

Food & Drink · Published 3 October 2026 Swipe more like this →

In short: In 1928, the first commercial bread-slicing machine transformed the baking industry, sparking a cultural phenomenon. Yet, just fifteen years later, the convenience of pre-sliced loaves became a target of wartime regulation. Discover the surprising history of a household staple that once defined the peak of American innovation and domestic efficiency.

The journey of sliced bread began with Otto Frederick Rohwedder of Davenport, Iowa. After a 1912 fire destroyed his initial prototype, he finally perfected a functional bread-slicing machine in 1928. The Chillicothe Baking Company in Missouri became the first to sell these slices on July 7, 1928. While early attempts to keep slices together failed, St. Louis baker Gustav Papendick later innovated a cardboard tray system that allowed for mechanized wrapping, a crucial step for mass-market success.

By 1933, approximately 80% of bread sold in the United States was pre-sliced, cementing the idiom 'greatest thing since sliced bread' in the American lexicon. The convenience was transformative; because slices were uniform and thinner than hand-cut pieces, consumption increased. People ate bread more frequently, which in turn drove higher demand for spreads like jam. This rapid adoption turned a simple mechanical solution into a symbol of American ingenuity.

The product's ubiquity faced a sudden challenge on January 18, 1943, when Food Administrator Claude R. Wickard banned sliced bread as a wartime conservation measure. Officials argued that pre-sliced loaves required heavier, more expensive wax paper to prevent drying out. The public outcry was immediate, with one housewife writing to The New York Times about the immense labor of hand-slicing twenty-two pieces of bread daily for her family. Despite threats of enforcement against bakeries, the ban was rescinded by March 8, 1943, as officials admitted the expected savings were negligible.

Today, the legacy of sliced bread persists globally, though standards vary significantly. In the United Kingdom, slices are categorized by thickness, while Japanese consumers often choose loaves based on the specific number of slices per half-loaf. Whether it is the thick-cut 'Texas toast' in North America or the 'sliced pan' common in Ireland, the machine-sliced loaf remains a testament to how a small mechanical adjustment can permanently alter daily life.

General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.

Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?

Related

• Why the United States government once made sliced bread illegal
• The unexpected history and wartime disappearance of sliced bread
• Why bakers gave away an extra loaf to avoid prison
• How a balloon race inspired America's most iconic loaf of bread
• Why a 1930s Raisin Brown Bread Recipe Remains a Staple of Frugal Comfort
• Victorian etiquette once frowned on eating without utensils
• Why the sirloin steak is a global puzzle of butchery and history
• From ancient poverty food to haute cuisine, the global history of eating snails.
• Why the secret to the world's most tender stews is never actually boiling
• Why Japan’s beloved buckwheat noodles were once a vital health food for city dwellers.
• Why these translucent, tapered noodles are known by so many peculiar, vivid names
• Soda, pop or coke: Americans still split three ways over fizzy drinks

More in Cooking, food and drink · More in Food & Drink · Latest · A–Z · All topics