Answer: United States
More information: The bloody Haymarket Affair was a riot that took place in Chicago (United States) in 1886. This incident was founded in labor demonstrations.
Answer: Novak Djokovic
More information: Djokovic picked up his second title in the 2011 Australian Open men's singles tournament after a successful victory over Andy Murray in the final.
Answer: Roger Federer
More information: Roger Federer was the runner-up in the 2015 men's singles Championship. He lost the final to Novak Djokovic, losing by a score of; 7-6, 6-7, 6-4, and 6-3.
Answer: North Korea
More information: As the name implies, the Rungnado May Day Stadium in Pyongyang, North Korea's capital, was built specifically to recognize the holiday of the same name.
More information: ENIAC was the first electronic computer made. It was so large it filled a whole room and was used to solve large numerical equations.
Answer: Paul McCartney
More information: The globally-popular Paul McCartney closed out the opening ceremony of the 2012 Summer Olympics, reportedly only collecting $1.57 for his services.
More information: Ace in golf is another term that describes "a hole-in-one". This term describes a situation when a golfer hits the ball directly into the bottom of the cup from the tee.
Answer: Meter, Liter & Gram
Answer: Helen Mirren - She didn't like the clothes, but she carried on, and won an Academy Award.
Answer: James Earl Jones
More information: David Prowse - who played Darth Vader in person - and legendary actor James Earl Jones, who did Darth's voice, never met in real life.