History

A:

According to the US Department of Energy, Thomas Edison and his team had produced a functional incandescent light bulb by October 1879. Before this, British inventors had been experimenting with arc lamps. The first "constant electrical light" was invented in 1835, after which inventors continued to make small improvements until Edison's commercial breakthrough.

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    • What Did Samurai Wear?

      Q: What Did Samurai Wear?

      A: Samurai warriors wore kimonos, obis, loincloths, kamishimos, hakamas and occasionally long-sleeved coats and hats. Their clothing varied in quality and style depending on their socioeconomic status and level of mastery. All warriors wore loincloths, which served as underwear, along with belts and swords or other protective weapons, at all times.
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    • Who Won the Opium War Between China and Great Britain?

      Q: Who Won the Opium War Between China and Great Britain?

      A: Great Britain won the Opium War against China. Their victory created foreign spheres of influence in China, allowed Great Britain to take possession of Hong Kong, opened China to European influence and created a drug epidemic in southeastern Asia.
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    • What Are Some Facts About the Zhou Dynasty?

      Q: What Are Some Facts About the Zhou Dynasty?

      A: Although historians do not agree on the exact starting time, the Zhou dynasty in China lasted approximately from 1046 to 221 B.C. and is the longest dynasty in the history of the nation. It is also called the Chou dynasty. Under this dynasty, most of China operated under one government for the first time.
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    • Why Was the Wheel so Important to Mesopotamia?

      Q: Why Was the Wheel so Important to Mesopotamia?

      A: The wheel allowed Mesopotamians to create a number of novel transportation methods. It was also used in a variety of mechanical devices. Creating wheels may have also spawned new methods of making items that need precision.
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    • What Kind of Government Did Sparta Have?

      Q: What Kind of Government Did Sparta Have?

      A: Sparta had what is known as a diarchical monarchy. The government's complete makeup consisted of dual kings; a council of about 30 gerontes or gerousia, which are rich elders; the ephors, a small council of five people and an assembly, called the Appella or Demos, of the common people who gathered once a month.
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    • Why Did Ferdinand Magellan Make His Voyage?

      Q: Why Did Ferdinand Magellan Make His Voyage?

      A: Ferdinand Magellan, a Portuguese navigator, sailed west from Spain in the early 16th century in hopes of finding a western shipping route to Indonesia's Spice Islands. With five ships and more than 250 men, he reached Brazil, where he looked along the coast of South America for a strait leading to the Pacific Ocean. After camping in Port St. Julian for the winter, Magellan found the strait.
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    • Where Was the Light Bulb Invented?

      Q: Where Was the Light Bulb Invented?

      A: The first light bulbs and its predecessors were invented in England. John Wilson Swan created the first light that can be considered a light bulb in 1850.
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    • Who Invented Dance?

      Q: Who Invented Dance?

      A: Because dance was used in ancient times, it is not credited to the contribution of a specific person. Dance was first used in ancient cultures in ritualistic practices. For example, in Egypt, Greece and India, dancing before a god was an important part of temple worship.
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    • Did Thomas Edison Invent the Light Bulb?

      Q: Did Thomas Edison Invent the Light Bulb?

      A: Thomas Edison did not invent the light bulb, but he did invent the first practical incandescent light. Edison's invention improved upon previous models that were not capable of being used in the home. Edison is also credited with inventing the first electrical system capable of powering a light bulb long-term.
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    • Who Invented the Arch?

      Q: Who Invented the Arch?

      A: It is believed that the Sumerians invented the arch somewhere around 6000 B.C. The Romans, however, receive much of the credit for perfecting the design.
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    • Who Discovered Rabies?

      Q: Who Discovered Rabies?

      A: Rabies was discovered as a human disease by Girolamo Fracastoro, a 16th century Italian physician. The disease has been recognized as an animal disease for thousands of years. The rabies vaccine was developed in 1885 by Louis Pasteur.
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    • Who Invented Makeup?

      Q: Who Invented Makeup?

      A: The art of wearing makeup was invented approximately 12,000 years ago by the ancient Egyptians. In the Egyptian culture, it was customary to adorn the body with a variety of scents and colors. Ancient Egyptian makeup was generally made from common plants and other ingredients.
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    • Why Was Angkor Wat Built?

      Q: Why Was Angkor Wat Built?

      A: Angkor Wat, located in what today is Cambodia, was built as a temple in honor of the Hindu god Vishnu, the supreme god of the Vaisenavites. The name "Angkor Wat" means "temple city."
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    • How Tall Was Genghis Khan?

      Q: How Tall Was Genghis Khan?

      A: There is no definitive account of Ghengis Khan's height. Descriptions simply describe him as tall. Tall is likely relevant, however. The average height of man during the time in which Ghengis Khan lived was just under 5 foot 7 inches, so anyone taller than this average could be considered tall.
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    • What Was the Role of a Medieval King?

      Q: What Was the Role of a Medieval King?

      A: In medieval times, the role of the king was to own land, lead his country and people in times of war and set laws. A king was, essentially, the supreme ruler of his land.
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    • What Countries Did the Vikings Invade?

      Q: What Countries Did the Vikings Invade?

      A: During the Viking Age, between the seventh and 11th centuries, Norse traders, raiders and colonists established a presence in countries as far apart as modern-day Canada and Iran. The Vikings emerged mostly from coastal communities in Norway, Denmark and Sweden to explore, and eventually settle in, most European and Mediterranean countries. They established colonies in North America and maintained a presence in Greenland that lasted nearly 500 years.
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    • What Did Medieval Knights Do?

      Q: What Did Medieval Knights Do?

      A: Knights performed military services for lords within a kingdom. Clergymen during the Crusades established a moral code in which a knight must also protect churches, women, orphans and the weak.
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    • Where Was the Trojan War Fought?

      Q: Where Was the Trojan War Fought?

      A: According to Greek mythology, the Trojan War was fought between the Greeks and the Trojans in the city of Troy in Asia Minor. This is the region of modern-day Turkey. The war took place from 1194 to 1184 B.C., lasting nearly 10 years.
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