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An often overlooked, yet very important, environmental process in world history is known as the “Late Antique Little Ice Age,” which took place during the 6th century A.D. across most of the Northern Hemisphere and received its name because it was shorter and less well-known than the Little Ice Age, which took place from the 16th-19th centuries.

In the 50 years following the First Crusade, the Latin states in the East were consolidated, but there were also growing tensions and new challenges. Against this backdrop, the fall of the County of Edessa in December 1144 at the hands of Zengi, the atabeg of Aleppo and Mosul, was a catastrophic event. Founded in 1098 by the future King Baldwin of Boulogne, Edessa was the first Crusader state, as well as the northernmost, weakest, and least populated.

The Mesozoic Era, which lasted from about 252 to 66 million years ago, is divided into three periods, the Triassic, Jurassic, and Cretaceous. During this era, one type of life came to dominate the planet more completely and for a longer period than had been seen before or since; this was the Age of Reptiles. Beginning in the Triassic but especially in the Jurassic period, reptiles came to dominate the oceans, the land and even the skies.

Conspiracy theories, and particularly the belief that elements of the world are secretly controlled by individuals or groups, have been around for as long as people have lived in groups. Perhaps that’s inevitable—after all, those who are excluded from power are very likely to be inclined to see their position not as an outcome of their own choices or situation but because of the secret machinations of shadowy groups. One of the most widely discussed conspiracy theories concerns what has become known as the New World Order.

The Pleistocene spans a period from around 2.5 million years ago to just over 12,000 years ago, and it was an epoch of enormous change on Earth, mainly characterized by climate changes involving fluctuations between periods of extreme heat and long periods of glaciation. This period is commonly known as the Ice Age, despite the fact there were actually a number of separate periods of cold.

When one thinks of the world’s first cities, Sumer, Memphis, and Babylon are some of the first to come to mind, or if the focus then shifts to India, then Harappa and Mohenjo-daro will likely come up. But archaeologists recently uncovered a site thousands of years older than any of those, marking one of the oldest settled sites in the world.

The concept of international trade was born in the ancient Mediterranean, which provided the perfect set of circumstances needed to produce an intricate trading system whose influence can still be seen in present-day economic practices.

The Late Bronze Age Near East (c. 1550-1200 BCE) was a time and place of unprecedented wealth and stability. The major kingdoms of Egypt, Babylonia, Hatti, Mitanni, Assyria, and other regional powers established trade networks and diplomatic ties with each other, creating one of the world’s first global geopolitical systems in the process.

The early history of our planet covers such vast stretches of time that years, centuries, and even millennia become virtually meaningless. Instead, paleontologists and scientists who study geochronology divide time into periods and eras.

During the 17th century, the Netherlands, despite having only 1.5 million people in 1600, became a global maritime and trading power. By contrast, France at the time had 20 million people, Spain had 8 million, and England had 5 million. Nevertheless, Amsterdam became one of the most important urban centers in the world.

Although traditional Muscogee mythology has mostly been lost to history, a concerted effort spearheaded by modern ethnographers like Troy University anthropologist Bill Grantham has allowed today’s Seminole tribe to reclaim some of their cultural roots and oral traditions, based upon surviving accounts of early European encounters, Christian missionaries, adventurers, travelogues, and various other historical documents.

The term Moor is a historical rather than an ethnic name. It is an invention of European Christians for the Islamic inhabitants of Maghreb (North Africa), Andalusia (Spain), Sicily and Malta, and was sometimes use to designate all Muslims. It is derived from Mauri, the Latin name for the Berbers who lived in the Roman province of Mauretania, which ranged across modern Algeria and Morocco. Saracen was another European term used to designate Muslims, though it usually referred to the Arabic peoples of the Middle East and derives from an ancient name for the Arabs, Sarakenoi.

Partly out of dire circumstances and partly from a cultural worldview, it was the Soviet Union who first pressed female pilots into direct combat when Hitler invaded Russia. Ahead of Stalingrad, Stalin publicly declared that “women should be given the right to fly and fight for their country.” As a result, more than 800,000 women served in the Soviet military during the war years.

El término «moro» es un nombre más histórico que étnico. Es una invención de los cristianos europeos para referirse a los habitantes islámicos del Magreb (norte de África), Andalucía (España), Sicilia y Malta, y a veces se usaba para designar a todos los musulmanes.

Most scientists believe the evolution of humans has a history nearly as long as life itself. Anatomically modern humans and all other life that has existed on the planet first came about from the single-celled microorganisms that emerged approximately four billion years ago. Through the processes of mutation and natural selection, all forms of life developed, and this continuous lineage of life makes it difficult to say precisely when one species completely separates from another.

The current view of science is that Earth is around 4.6 billion years old, and the first 4 billion years of its development are known as the Precambrian period. For the first billion years or so, there was no life in Earth. Then the first single-celled life-forms, early bacteria and algae, began to emerge.

The Inca Empire, which flourished in modern day Peru and along the west coast of South America, was the largest Native American empire in pre-Columbian America, until Pizarro and the Spanish conquistadores conquered them in the 16th century. What ultimately sealed their doom was the rumor that huge amounts of gold were available in regions south of the Andes Mountains.

The early history of Earth covers such vast stretches of time that years, centuries, and even millennia become virtually meaningless. Instead, paleontologists and scientists who study geochronology divide time into periods and eras.

Along with Egypt, the cultural and geographic region known as Mesopotamia was home to some of the world’s earliest civilizations and also the first known form of writing, cuneiform. Many different ethnic groups vied for power in ancient Mesopotamia over the course of antiquity--spanning about 3,000 years--and many of them spoke different languages. Despite these differences, the people in Mesopotamia shared many cultural attributes including similar religious practices, a common art and architecture style, and a shared use of the cuneiform script.

Thanks to the various components that have been put together, the International Space Station is bigger and brighter than all other artificial satellites. With relatively low power magnification, people can see the solar panels radiating outward from the numerous international modules which make up the ISS. The reality of that platform, at the edge of the ocean of space, is pretty astounding when looked at from the perspective of history. Only 120 years ago, mankind did not know if it was possible to fly in a heavier-than-air vehicle.