highest circulation newspaper in the United Kingdom
... that the highest circulation newspaper in the United Kingdom at the start of the 19th century sold only 4,000 copies a day?
... that the <b id="mwFOQ"><a href="./List_of_newspapers_in_the_United_Kingdom_by_circulation" id="mwFOU" rel="mw:WikiLink" title="List of newspapers in the United Kingdom by circulation">highest circulation newspaper in the United Kingdom</a></b> at the start of the 19th century sold only 4,000 copies a day?