Game of Thrones premiered on HBO.
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Using gene therapy, eight babies suffering from ''bubble boy disease" were cured in Memphis, Tennessee.
Slavery in Ethiopia came to an end thanks to Emperor Haile Selassie.
Sirhan Sirhan was convicted of killing US Senator Robert F. Kennedy.
Johns Hopkins University announced that the number of people who died worldwide due to the COVID-19 pandemic had reached three million.
The United Kingdom officially created its first National Park, the Peak District National Park.
