Beer and Brewing
How big is a beer bottle cap?
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When was the year bottle caps invented?
The first modern bottle cap was a screw-on cap invented in 1856. There was also a recloseable wire-and-cap type of bottle cap invented in the same year, still used today on some high-end beers such as Grolsch. The modern "crown cap" bottle cap was invented in 1890, modernized to the "pilfer proof" cap in 1936, and twist-off bottle caps in 1966. Bottle caps are no longer manufactured today, as most people drink their beer straight from their high-speed internet connection. :)