#1. This morning I read an article by a writer/historian I will refer to as AT, about a specific pre-WWI suburban settlement. In the afternoon I emailed a regional academic I will refer to as MF to ask her details on a historical figure, AL, I have been asked to write a biographical snippet on. She told me that AL's father was one JL, a forester who died in the early 20th century. The book about JL was entirely unconnected to the article I read in the morning, yet it was written by the same AT.
#2. This afternoon I opened a 1930s pulp novel written by another historical figure, CS, who I have similarly been asked to write a biographical snippet on, but who has otherwise no connection to AL. In the list of other books by the same publisher is a book written by someone with exactly the same very uncommon (woman's) name as MF.
#3. In Readings this afternoon I saw a record by the Sand Pebbles. I thought 'I wonder what the Sand Pebbles are doing'. When I got home they'd sent me their record.
#4 How often does one get such an extraordinary batch of coincidences together in the one day? Coincidence!