1 June

In 1956, Elvis Presley performed on The Ed Sullivan Show, which was recorded in New York City. The Tenth Doctor and Rose Tyler attempted to travel to this date to view this event, but ended up being detoured to London on 1 June 1953. (TV: The Idiot's Lantern)

Queen Elizabeth II's Silver Jubilee was celebrated in the United Kingdom in 1977. Nyssa and Tegan Jovanka found themselves at Brendon Public School, where they met retired UNIT Brigadier Alistair Lethbridge-Stewart. In the course of events, the Brigadier met a future version of himself from 1983, causing a paradox and leading to him suffering partial amnesia due to the Blinovitch Limitation Effect. (TV: Mawdryn Undead)

Giles's niece Harriet King was born on 1 June 1998. Due to his estrangement from his sister (and Harriet's mother) Sandra King, Giles would only learn of her existence in 2019. (AUDIO: Broken Bonds)