Social Movements
Chartist Movement: 5.7M Signatures Claimed, 1.98M Reported
A Commons report says Feargus O’Connor announced 5,706,000 Chartist signatures in 1848. It counted 1,975,496, and he rejected that count the same day.
Image credit
"The Chartist meeting on Kennington Common, 1848" by Unknown author — https://commons.wikimedia.org/wiki/File:Image_taken_from_page_944_of_%27Old_and_New_London,_etc%27_(11192221776).jpg — Public domain — Public domain in the US (published before 1931) and in the EU (unsigned illustration published 1873 to 1878, 70 years passed)