British changeover from the Julian calendar to the Gregorian one, eleven days — 2 September through 14 September 1752 — were "lost". These days, as experienced in London, were purchased by the Faction Paradox and became their heartland, known as the Eleven-Day Empire.
Six hundred and thirty Mothers and Fathers of the Faction Paradox sat in the House of Commons found in the Empire's version of London. The speaker's chair was empty, waiting for the return of Grandfather Paradox. (PROSE: Interference - Book One)