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    BIG BANG : Formation of the Universe  
The Big Bang theory is the prevailing cosmological model for the earliest known periods of the universe and its subsequent large-scale evolution. It states that the Universe was in a very high density state and then expanded. If the known laws of phy...
 
    FORMATION OF EARTH  
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets. It is sometimes referred to as the world, the Blue Planet, or b...
 
    CAMBRIAN : Explosion of Life on Earth  
The Cambrian is the first geological period of the Paleozoic Era, lasting from 541 to 485 million years ago (mya) and is succeeded by the Ordovician. Its subdivisions, and indeed its base, are somewhat in flux. The period was established by Adam Sedg...
 
    PERMIAN : Largest Mass Extinction  
The Permian is a geologic period and system which extends from 299 to 252 million years ago. It is the last period of the Paleozoic Era, following the Carboniferous Period and preceding the Triassic Period of the Mesozoic Era. The concept of the Perm...
 
    MESOZOIC : Age of Dinosaurs  
The Mesozoic era is an interval of geological time from about 252 to 66 million years ago. It is also called the age of reptiles, a phrase introduced by the 19th century paleontologist Gideon Mantell who viewed it as dominated by reptiles such as Igu...
 
    CENOZOIC : Age of Mammals  
The Cenozoic Era, meaning "new life", is the current and most recent of the three Phanerozoic geological eras, following the Mesozoic Era and covering the period from 66 million years ago to the present. The Cenozoic is also known as the Age of Ma...
 
    STONE AGE : The Human Era  
The first species of the genus Homo, evolved in South and East Africa in the late Pliocene or early Pleistocene (2 - 2.5 million years before present) when it diverged from the Australopithecines (Australopithecines and Hominenes are collectively ref...
 
    ICE AGE : Extintion of Large Mammals  
The last glacial period, popularly known as the Ice Age, was the most recent glacial period within the current ice age occurring during the last years of the Pleistocene, from approximately 110,000 to 12,000 years ago. Scientists consider this "ice a...
 
    NEOLITHIC : First Permanent Settlements  
The Neolithic Era or New Stone age, was a period in the development of human technology, beginning about 10,200 BC, according to the ASPRO chronology, in some parts of the Middle East, and later in other parts of the world and ending between 4,500 an...
 
    BRONZE AGE :  First Writing  
The Bronze Age is a time period characterized by the use of bronze, proto-writing, and other early features of urban civilization. The Bronze Age is the second principal period of the three-age Stone-Bronze-Iron system, as proposed in modern times...
 
    IRON AGE : Start of the Trojan War  
The Iron Age is the period generally occurring after the Bronze Age, marked by the prevalent use of iron. The early period of the age is characterized by the widespread use of iron or steel. The adoption of these materials coincided with other cha...
 
    HELLENISTIC PERIOD  
The Hellenistic period is the period of ancient Greek and eastern Mediterranean history between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire as signified by the Battle of Actium in 31 BC and the subsequent conquest...
 
    ROMAN PERIOD  
The Roman Empire was the post-Republican period of the ancient Roman civilisation, characterised by an autocratic form of government, headed by an Emperor, and large territorial holdings around the Mediterranean Sea in Europe, Africa, the Middle East...
 
    BYZANTINE PERIOD  
The Byzantine Empire was the predominantly Greek-speaking continuation of the eastern half of the Roman Empire during Late Antiquity and the Middle Ages. Its capital city was Constantinople (modern-day Istanbul), originally known as Byzantium. Often...
 
    MIDDLE AGES  
The Middle Ages was the middle period in a schematic division of European history into three 'ages': Classical civilization, the Middle Ages, and Modern Civilization. It is commonly considered as having lasted from the end of the Western Roman Empire...
 
       
 
             
         
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