History

A:

The Hubble Space Telescope was invented by Lyman Spitzer, who first proposed the concept in 1946. Spitzer, a native of Toledo, Ohio, continued analyzing photos from the Hubble Space Telescope until his passing in 1997.

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    • Who discovered gunpowder?

      Q: Who discovered gunpowder?

      A: Chinese Taoist alchemists combined sulphur, saltpeter and charcoal to make the earliest form of huoyao, or gunpowder, during the eighth-century Tang Dynasty. It was used to kill insects and treat skin diseases before its weaponry advantages were realized.
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    • Why were video games invented?

      Q: Why were video games invented?

      A: Engineer Ralph H. Baer worked for a television manufacturer and came up with the idea to incorporate an electronic video game into a TV set to increase sales. The company rejected his plan, but Baer eventually developed a prototype console in 1967.
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    • Where did the abacus come from?

      Q: Where did the abacus come from?

      A: The abacus was invented by Chinese mathematicians approximately 5,000 years ago. The abacus is occasionally hailed as the world's first computer, but the abacus is more accurately described as a counting device. After its invention, people all around the world began using the abacus to help with their calculations.
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    • What did Galileo Galilei invent?

      Q: What did Galileo Galilei invent?

      A: Galileo Galilei improved upon the technology of the spyglass, creating a more powerful version that resulted in the first telescope. He also created the first pendulum clock and provided important research that concluded that the planets revolve around the Sun.
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    • Who invented antibiotics?

      Q: Who invented antibiotics?

      A: Antibiotics were present in ancient times in the form of molds. British scientist Sir Alexander Fleming discovered penicillin, the first working agent that demonstrated potent antibacterial properties, in 1928. Selman Waksman coined the term antibiotic in 1941, according to the National Center of Biotechnology Information, National Institutes of Health.
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    • Who invented solar panels?

      Q: Who invented solar panels?

      A: Alexandre Edmond Becquerel is considered the father of solar panels, having discovered how electricity is generated from sunlight in 1839. His research paved the way for the construction of solar energy plants that heated water to create steam to power machinery during the Industrial Revolution.
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    • Who won the crusades?

      Q: Who won the crusades?

      A: The crusades were ultimately won in the East by the Muslims when the Bahri Mamluks conquered Acre in 1291. While crusades were mounted even after this point, political witch-hunts mounted against the Knights Templar by King Philip IV of France made further major crusades in the Levant impractical.
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    • When was the medieval time period?

      Q: When was the medieval time period?

      A: The medieval period encompasses the fifth to 14th or 15th centuries. Historians date this period from the collapse of the Roman Empire until the dawn of the Renaissance.
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    • What was the role of a medieval king?

      Q: What was the role of a medieval king?

      A: The roles of a king during Medieval Europe included land ownership, warfare leadership and lawmaker. A king allowed knights, barons and lords to live on his land, as long as they provided armies of men to fight wars. When kings fought neighboring kingdoms, he led his men into battle. Kings were supreme rulers of their lands, and they meted out justice as they saw fit.
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    • Who lived in castles in the Middle Ages?

      Q: Who lived in castles in the Middle Ages?

      A: The primary residents of European castles during the Middle Ages were the lord and lady of the realm. These might be royalty or simply the liege lords of the district where the castle was built.
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    • What did the Vikings invent?

      Q: What did the Vikings invent?

      A: The Vikings invented the longboat during the Vikings Age from 800 to 1100 A.D. This type of ship helped them travel the oceans to reach France, England, Scotland, Greenland, Iceland, Ireland, Vinland and the Middle East. Thus, they became a dominant force in European medieval trade, politics and warfare.
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    • Why was the Middle Ages also called the Dark Ages?

      Q: Why was the Middle Ages also called the Dark Ages?

      A: The term known as the Middle Ages is synonymous with the Dark Ages for several reasons as the period between 500-1500 A.D. included political turmoil, social unrest and the spread of disease. The Middle Ages brought great change to Europe in many respects, including social mobility, politics and the way of life. Some changes proved beneficial, but the time period experienced negative effects from the change too.
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    • When did South Africa become independent?

      Q: When did South Africa become independent?

      A: South Africa became independent from Great Britain on December 11, 1931, but the British monarch remained head of state. On May 31, 1961, the country became a republic, severing all formal ties with Great Britain.
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    • How do historians study the past?

      Q: How do historians study the past?

      A: Historians study the past by gathering dates from archives, books, artifacts and documents, according to the United States Department of Labor. They use this data to analyze and develop an interpretation of history.
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    • What was popular in 1967?

      Q: What was popular in 1967?

      A: In 1967, rock music, peace and acceptance movements, comedic movies for younger audiences, new automobiles and a new style of miniskirt all became popular. Some of these trends remained popular for many years, while others were short trends that ended rather quickly.
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    • Why did apartheid happen in South Africa?

      Q: Why did apartheid happen in South Africa?

      A: Apartheid was created as a means of cementing economic and social control over South Africa and its resources. The country was colonized by the English and the Dutch in the 17th century. Yet, when gold was discovered in the 1900s, the British seized control, and war broke out. Eventually, peace negotiations were reached and the two shared power over South Africa until the Reunited National Party won the 1948 election.
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    • When was Napoleon attacked by a horde of rabbits?

      Q: When was Napoleon attacked by a horde of rabbits?

      A: In 1807, Napoleon was coming off of a high note. He had just signed the Treaty of Tilsit, which ended his war with Russia. To celebrate, he gathered his dignitaries for a rabbit hunt. Little did he know that, in a bizarre twist, he would become "hunted" instead.
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    • What are ten facts about apartheid?

      Q: What are ten facts about apartheid?

      A: Apartheid is a form of racial segregation that has its roots in South Africa. Under this system of segregation, South Africans were divided into groups of whites and nonwhites. Apartheid was introduced in 1948 under the governance of the National Party, which was a system of government run by all-white officials.
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