“Nothing important happened today.”
It is widely believed that George III wrote this in his diary on July 4, 1776, the day the American Revolution began. In fact, this was made up by the scriptwriters of the series The X Files, as George III did not write a diary.
Misattributed
Arnold Hunt, curator at the British Library, says King George never kept a diary http://www.npr.org/templates/story/story.php?storyId=11703583.
Misattributed
Source: Letter to the Earl of Bute (c. 1761–1762), quoted in Letters from George III to Lord Bute, 1756–1766, ed. Romney Sedgwick (1939), p. 77