https://en.wikipedia.org/wiki/September_7
1940 – World War II: The German Luftwaffe begins the Blitz, bombing London and other British cities for over 50 consecutive nights.
See any other good ones?
2008 – The United States government takes control of the two largest mortgage financing companies in the US, Fannie Mae and Freddie Mac.
An acknowledgement pf the failure of self-policing in the industry.