56% knows the answer to this question: "The July Revolution of 1830 toppled Charles X in favor of Louis-Philippe. Where? "

And do you know the answer to this one? "Who co-invented the Geiger counter in 1908 with Ernest Rutherford?"

81% knows the answer to this question: "What are the Russian 19th and 20th century jeweller Peter Faberge's most famous creations shaped like? "

And do you know the answer to this one? "What group of people became powerful in Mesopotamia in 1000 B.C.?"

73% knows the answer to this question: "The 1836 Battle of the Alamo pitted Texans against who? "

And do you know the answer to this one? "What was the nickname of Ivan, first Tsar of Russia?"

91% knows the answer to this question: "In 2014, 5 people were killed in an explosion at a Mitsubishi plant in which country? "

And do you know the answer to this one? "What were the series of wars by European Christians to recover the Holy Land from the Muslims?"

78% knows the answer to this question: "In what war was mustard gas first used effectively? "

And do you know the answer to this one? "Between 1861 and 1871, the capital was in Turin, home to the king, then Florence, which hosted the first parliament. What country is this?"

76% knows the answer to this question: "What phenomenon is often visible at Niagara Falls? "

And do you know the answer to this one? "If you were in a Mexican style restaurant, which of these may be on the menu?"

60% knows the answer to this question: "Which Italian city was destroyed when Mount Vesuvius erupted? "

And do you know the answer to this one? "Geneva, the European headquarters of the United Nations, is located in which country?"

60% knows the answer to this question: "The climate of Iceland is best described as what? "

And do you know the answer to this one? "India's national bird is what colourfully- plumed creature?"

86% knows the answer to this question: "In which capital city can the Coliseum be found? "

And do you know the answer to this one? "What is the name of the famous museum in London which houses realistic wax figures?"

92% knows the answer to this question: "What African country insists that everybody use its French name, Cote d'Ivoire, even if they speak English? "

And do you know the answer to this one? "Where in California would you find the lowest point in the Western Hemisphere?"

42% knows the answer to this question: "Who was the first female prime minister of Israel? "

And do you know the answer to this one? "In what city did Princess Diana die?"

56% knows the answer to this question: "Who was Queen Victoria's husband? "

And do you know the answer to this one? "What was the main crop grown by the British colonies in Virginia?"