All schools and colleges in Delhi, India, were closed for a week due to dangerous levels of smog.
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Donald Trump won an election to become the 45th president of the United States of America.
German physicist Wilhelm Conrad Röntgen discovered x-rays.
Montana became the 41st state to join the United States of America.
The Bodleian Library, situated at The University of Oxford, England, opened its doors to the public.
George H. W. Bush was elected as the 41st President of the United States of America.
