The NFL started using the instant replay rule where video is analyzed to review what had just happened in a game.
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The Women's College of Pennsylvania, US opened – making it the 2nd female medical school in America.
The Empire of Japan established the Empire of Vietnam, which acted as a puppet state to Japan.
More than 20,000 people were killed after Mount Etna erupted in Sicily.
The Spanish Flu received its first case in the US.
The World Health Organization (WHO) confirmed that the spread of COVID-19 was now at a Pandemic stage.
