All schools and colleges in Delhi, India, were closed for a week due to dangerous levels of smog.
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Montana became the 41st state to join the United States of America.
German physicist Wilhelm Conrad Röntgen discovered x-rays.
Canadian country singer Shania Twain released her Greatest Hits album and later received Billboard's 2004 Album of the Year.
Category five Typhoon Haiyan ripped through the Philippines and claimed the lives of more than 6,000 people with gusts up to 145 miles per hour.
Donald Trump won an election to become the 45th president of the United States of America.