31 July 2004: death of Robert James, who played Lesterson in The Power of the Daleks (1966) and the High Priest in The Masque of Mandragora (1976)
ii) broadcast anniversaries
None.
iii) date almost specified in canon
31 July 1977: the latter part of episode 3 and all of episode 4 ofImage of the Fendahl (1977) are set on a day specified as ‘Lammas Eve’ (the day before 1 August, ie 31 July) by Mrs Tyler. There is no reason to suppose that the year is other than 1977.
My browser is Chrome, and the cedillas are different. For L and N they are more like acute accents under the letter. For M and O they are the proper squiggly hook.