The US celebrated the opening of the country’s first railroad station in Baltimore.
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President Truman announced to the people of America that they successfully developed a hydrogen bomb.
The first US commercial bank, The Bank of North America, opened in Philadelphia.
Beyoncé and Jay-Z welcomed their daughter, Blue Ivy Carter, into the world.
The first telephone call was made across the Atlantic – from London to New York.
Black men were chased away by gunmen after trying to rescue white survivors during a mine explosion.
