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250,000 BCE
Appearance of the human being
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Period: 250,000 BCE to 3500 BCE
prehisrory
Prehistory is a term for the extensive time period before humans created writing systems. It is thought to have lasted from 2.5 million years ago, with the earliest hominid tool use, until 3,600 BCE, when ancient Mesopotamians developed writing. -
Period: 4000 BCE to 476
antiquity
Ancient history covers all continents inhabited by humans in the period 3000 BCE – 500 CE. The three-age system periodizes ancient history into the Stone Age, the Bronze Age, and the Iron Age, with recorded history generally considered to begin with the Bronze Age. -
3500 BCE
Invention of writing
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600 BCE
Invention of Electricity
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287 BCE
Arquímedes
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476
Fall of the roman empire
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Period: 476 to 1492
Medieval age
The middle ages is characterized by wars, instability and fragmented power structures. The number of castles built in the middle ages isn't known but it is certainly more then 10,000 and possibly more than 100,000. For example, there were around 25,000 medieval castles constructed in Germany alone -
1300
Renaissance
Renaissance is the name given in the 19th century to a broad cultural movement that occurred in Western Europe during the 15th and 16th centuries. It was a period of transition between the Middle Ages and early modern times. -
1440
Invention of the printing
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1492
American discovery
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Period: 1492 to
Modern age
The Modern Era lasted from the end of the Middle Ages to the middle of the 20th century; modernism, however, refers to the artistic movement of late 19th and early 20th centuries that arose from the widespread changes that swept the world during that period. -
Steam machine by James watt
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French revolution
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Period: to
Contemporary age
The Contemporary Age is the historical stage that runs from the French Revolution (1789) to the present. This period is characterized by events such as the industrial revolutions, the two world wars, scientific and technological advances, and the establishment of a capitalist economy. -
Invention of Vaccines
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theory of biological evolution
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Invention of X-rays
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E=mc²- Einstein
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Invention of the semiconductor electronics
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Invention of Peniciline
