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It is normally used for touch-typing practice, testing typewriters and computer keyboards, displaying examples of fonts, and"The quick brown fox jumps over the lazy dog" is an English-language pangram — a sentence that contains all of the letters of the alphabet. The first message send on the Moscow – Washington hotline on August 30, 1963, was the test phrase" THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG'S BACK 1234567890". 

As the purpose of typewriters grew in the late 19th century, the phrase begin appearing in typing lesson books as a practice sentence. In an article titled" current note" in the February 9, 1885, version, the phrase is noted as a good practice sentence for write students:" A favorite copy put by write teachers for their pupils is the following, because it contains every letter of the alphabet:' A quick brown fox jumps over the lazy dog.'

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