1 October

1 October was a date.
In 1834, the analytical engine was moved to the physical Star Chamber beneath the Houses of Parliament, where it was activated, beginning the Clockwork Ouroboros affair. (PROSE: The Book of the War)
On 1 October 1969, Señor 105 tasked Rodrigo with delivering a book club invitation to Jorge Zumbido. As thanks for the delivery, Zumbido gifted Rodrigo a signed copy of one of his records. (PROSE: Elementary, My Dear Sheila)
On the same day, Concorde broke the sound barrier on Earth for the first time. Thirteen years later, another Concorde broke the time barrier and ended up in the year 140 million BC. (PROSE: Time Traveller's Diary)