2.5 million years.

FINISH:

Prehistory ended approximately 5,000 years ago with the beginning of writing and the appearance of the first civilizations. It lasted about 2.5 million years.

A discreet prehistoric invention: the sewing needle. A selection of prehistoric bone sewing needles, via Sapiens. Shoes.Spears. Art.Ceramics.The prehistoric invention of the boat.

3000. Because:

The persons start to read and write, 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.

FINISH:

750

BECOUSE:

It ends with the fall of the Roman Empire in 476 AD (fifth century). In this period, the first great empires and the great trade routes emerged.

CHARACTERISTICS:

Development of writing systems (cuneiform writing; pictograms; hieroglyphs; Phoenician, Greek and Roman alphabets); Beginning of urban life; Formation of political power; Emergence of religions organized around the temple and the priesthood.

PRINCIPAL INVENTIONS:

• The Wheel.

• The Calendar.

• Concrete.

• The Telescope.

• Central Heating.

• Wine.

Names of de group:

Carlos, Salomé, Emma y Paula.

FINISH: the medievalera ,often called the middle ages or the dark , began around 476 A.D following a great loss of The religious institution as a nucleus of power. ... A theocentric world. ... Fear and obedience to dogmas. ... The exacerbation of guilt, sin and virtue. ... The Inquisition and the persecution of witchcraft. ... The progress of science and scholasticism. ... Great social differences.power througt Europe by romen Emperor . The middle ages span roughly 1000 years , ending betweeng 1400 and 1450,

Spinning Wheel, Stirrups, Astrolabe, Eyeglasses, Compass, Tidal Mills, Gunpowder and Printing Press.

Name of the group:

Nerea, Alex, Maria jose, Zineb.

. characteristics religious dissent , curtural asymmetries and socioeconomics crisis .

principal invents

.golf

.printing press parachute

whiski

.oil painting techniques

muzzle loaded rifles

.map glob

Finish:1970

This period started with the French Revolution.Then there was an Industrial Revolution.This periodid ended affter the Second World War.The late modern period refers to the time period between 1750 CE (the beginning of the Industrial Revolution) up until the present day. It encompasses significant global changes driven by industrialization, advancements in technology, political revolutions, and globalization.

Because the 2nd World War ended.

End: ????

Characteristics:

Is the period when we live now.

The meaning is now widespread that recent history refers to that present past that still challenges and involves subjects in the construction of their individual and collective identities. Therefore, its time is elastic and constitutes a field in constant movement.

Principal inventions:
The voltaic pile. 
The steamboat. 
The steam locomotive. 
The typewriter. 
The phone. 
The electric lamp. 
The rabies vaccine. 
Cinema.

MARC JULIÁN PAOLA SOFÍA