The vice president of Google, Susan Wojcicki, became the CEO of YouTube.
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US President Donald Trump was acquitted of impeachment charges by the US Senate.
The general interest family magazine Reader's Digest was first published.
The world's largest golden nugget was discovered.
Roger Williams, the founder of Rhode Island, arrived from England in the Massachusetts Bay Colony to become a minister in a Boston church.
Mahatma Gandhi was released from prison after two years into his six-year sentence.