Maya Angelou became the first African American woman featured on a US quarter.
Source
Julius Caesar and his armies crossed the Rubicon River, an act that directly led to the Roman Civil War.
London Underground was opened, making it the world’s oldest underground railway system.
China lifted martial law.
The UK's Prince Harry published Spare, his tell-all memoir on his upbringing with the Royal Family.
King Charles I and the Queen fled from London to Oxford, Hampton Court.
