The Swiss Army Knife Turns 111
On June 12, 1897, Karl Elsener registered his "soldier's knife" for use by the Swiss Army. In 1921, the Swiss Army Knife was made with stainless steel and today you can buy one that's nine inches thick with 85 devices for $1,200.
In any case, the Swiss Army Knife has become an invaluable tool and over 34,000 more are made every day. Link