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 Empire of Japan established the Empire of Vietnam, which acted as a puppet state to Japan.
The United States suspended travel from Europe due to the COVID-19 pandemic.
15,899 lives were lost after a severe 9.0 magnitude earthquake occurred in Japan.
More than 20,000 people were killed after Mount Etna erupted in Sicily.
The Spanish Flu received its first case in the US.