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Samuel Johnson published his Dictionary of the English Language

On this day · 15 April 1755
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On April 15, 1755, after nearly nine years of work, Johnson released the dictionary that would govern English for a century.

Verified · EBSCO Research Starters — 'Misinformation effect'

On April 15, 1755, Samuel Johnson published A Dictionary of the English Language, the most influential English dictionary before the Oxford English Dictionary. It had taken him close to nine years, working with a small team of copyists from a house on London’s Gough Square.

The finished book was enormous — a two-volume folio defining roughly 40,000 words. Its breakthrough was method: Johnson illustrated meanings with about 114,000 quotations drawn from the best writers, fixing usage by example rather than decree.

It was also unmistakably personal. He defined “lexicographer” as “a writer of dictionaries; a harmless drudge,” and “oats” as a grain that in England feeds horses but in Scotland the people.

Roughly 2,000 copies were printed in the first edition, sold at the steep price of four pounds, ten shillings.

Johnson’s definitions remained the standard reference for English for more than a century.

~9 yrs
to compile
40,000
words defined
114,000
quotations

Sources & references

2 references

Well-established. Corroborated by 2 independent sources.

1 EBSCO Research Starters — 'Misinformation effect' institution “On April 15, 1755, Samuel Johnson's landmark A Dictionary of the English Language was first published.” ebsco.com ↗
2 Brewminate — Samuel Johnson's Dictionary of the English Language Is Published history article “On this day in 1755 Samuel Johnson's Dictionary of the English Language was published.” brewminate.com ↗
✓ Last reviewed Jun 7, 2026

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