The first US commercial bank, The Bank of North America, opened in Philadelphia.
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Italy used its current tri-colored flag for the first time.
A 57-year-old man received the first transplanted heart from a genetically modified pig.
The first telephone call was made across the Atlantic – from London to New York.
Beyoncé and Jay-Z welcomed their daughter, Blue Ivy Carter, into the world.
Akihito succeeded his father to become the 125th Emperor of Japan.
