Franklin Square National Bank - Credit: Wikimedia Commons
Franklin National Bank is a bank based in Franklin Square on Long Island, New York. It was once the United States' 20th largest bank. On October 8, 1974, it collapsed in obscure circumstances involving Michele Sindona, who was a renowned Mafia-banker and member of the irregular freemasonic lodge Propaganda Due. It was at the time the largest bank failure in the history of the country. Read more on Wikipedia
Source: en.wikipedia.org