Europe is conventionally considered one of the seven continents of Earth which, in this case, is more a cultural and political distinction than a physiogeographic one. Physically and geologically, Europe is a subcontinent or large peninsula, forming the westernmost part of Eurasia. Europe is bounded to the north by the Arctic Ocean, to the west by the Atlantic Ocean and to the south by the Mediterranean and the Caucasus. Europe's boundary to the east is vague, but has traditionally been given as the watershed for the Ural Mountains and Caspian Sea to the southeast: the Urals are considered by most to be a geographical and tectonic landmark separating Asia from Europe.
For detailed description of the Asia-Europe boundary see this article. See also Geographic criteria for EU membership.
Europe is the world's second-smallest continent in terms of area, covering around 10 390 000 square kilometres (4,010,000 sq mi) or 2.0% of the Earth's surface, and is only larger than Australia. In terms of population, it is the third-largest continent (Asia and Africa are larger) with a population of more than 705,000,000, or about 11% of the world's population.
Etymology
In Greek mythology, Europa was a Phoenician princess who was abducted by Zeus in bull form and taken to the island of Crete, where she gave birth to Minos. For Homer, Europé (Greek: •ÅÁÉÀ·; see also List of traditional Greek place names) was a mythological queen of Crete, not a geographical designation. Later Europa stood for mainland Greece, and by 500 BC its meaning had been extended to lands to the north.
The Greek term Europe has been derived from Greek words meaning broad (eurys) and face (ops) -- broad having been an epitheton of Earth herself in the reconstructed Proto-Indo-European religion; see Prithvi (Plataia). A minority, however, suggest this Greek popular etymology is really based on a Semitic word such as the Akkadian erebu meaning "sunset" (see also Erebus). From the Middle Eastern vantagepoint, the sun does set over Europe, the lands to the west. Likewise, Asia is sometimes thought to have derived from a Semitic word like Akkadian asu, meaning "sunrise", and is the land to the east from a Middle Eastern perspective.
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History
As part of the Old World, Europe has a long history of cultural and economic achievement, starting as far back as the Paleolithic. The recent discovery at Monte Poggiolo, Italy, of thousands of stones shaped by human hands, and tentatively carbon-dated to 800,000 years ago, may prove to be of particular importance.
The origins of Western democratic and individualistic culture are often attributed to Ancient Greece, though numerous other distinct influences, in particular Christianity, can also be credited with the spread of concepts like egalitarianism and universality of law.
The Roman Empire divided the continent along the Rhine and Danube for several centuries. Following the decline of the Roman Empire, Europe entered a long period of changes arising from what is known as the Age of Migrations. That period has been known as the "Dark Ages" to Renaissance thinkers. During this time the Ottoman Empire conquered the Byzantine capital Constantinople (now modern day Istanbul). This effectively finished the Byzantine Empire, and so the Ottoman Empire became one of the greatest powers in Europe. Isolated monastic communities in Ireland and elsewhere carefully safeguarded and compiled written knowledge accumulated previously. The Renaissance and the New Monarchs marked the start of a period of discovery, exploration, and increase in scientific knowledge. In the 15th century Portugal opened the age of discoveries, soon followed by Spain. They were later joined by France, the Netherlands and the United Kingdom in building large colonial empires with vast holdings in Africa, the Americas, and Asia.
After the age of discovery, the ideas of democracy took hold in Europe. Struggles for independence arose, most notably in France during the period known as the French Revolution. This led to vast upheaval in Europe as these revolutionary ideas propagated across the continent. The rise of democracy led to increased tensions within Europe on top of the tensions already existing due to competition within the New World. The most famous of these conflicts was when Napoleon Bonaparte rose to power and set out on a conquest, forming a new French Empire that soon collapsed. After these conquests Europe stabilised, but the old foundations were already beginning to crumble.
The Industrial Revolution started in the United Kingdom in the late 18th century, leading to a move away from agriculture, much greater general prosperity and a corresponding increase in population. Many of the states in Europe took their present form in the aftermath of World War I. From the end of World War II through the end of the Cold War, Europe was divided into two major political and economic blocks: Communist nations in Eastern Europe (with the exceptions of Turkey and Greece) and Capitalist countries in Southern Europe and Western Europe. Around 1990, with the fall of the Berlin Wall, the Eastern Block disintegrated.
Geographically Europe is a part of the larger landmass known as Eurasia. The continent begins at the Ural Mountains in Russia, which define Europe's eastern boundary with Asia. The southeast boundary with Asia is not universally defined. Most commonly the Ural or, alternatively, the Emba River serve as possible boundaries. The boundary continues to the Caspian Sea, the crest of the Caucasus Mountains or, alternatively, the Kura River in the Caucasus, and on to the Black Sea; the Bosporus, the Sea of Marmara, and the Dardanelles conclude the Asian boundary. However, numerous geographers consider Azerbaijan's and Armenia's southern border with Iran and Turkey's southern and eastern border with Syria, Iraq and Iran as the boundary between Asia and Europe because of political and cultural reasons. The Mediterranean Sea to the south separates Europe from Africa. The western boundary is the Atlantic Ocean, but Iceland, much farther away than the nearest points of Africa, is also often included in Europe. There is ongoing debate on where the geographical centre of Europe is. For detailed description of the boundary between Asia and Europe see here.