Fact: Alexander Hamilton, secretary of the US Federal Treasury, once lost his checkbook and had to write a letter to the Bank of New York asking for a new one while also requesting his account balance which he didn't know because he wrote it in his checkbook that he lost.
Fact: The "pinky swear" originated in Japan and was known as "yubikiri" which translates to "finger cut off". If you broke a pinky swear, you would have to cut your pinky off.
