Go 
 Previous page Next page 
Link to:
history, text, place, image, map 


c. 13.7 billion years ago
Narrative history in HistoryWorld            
Big Bang, an unimaginably large explosion from an unimaginably small particle - according to modern theory the first moment of the universe

c. 13.7 billion years ago
Narrative history in HistoryWorld            
Hydrogen and helium nuclei form in the first three minutes, with perhaps another 300,000 years before they combine with electrons to form atoms

c. 13 billion years ago
Narrative history in HistoryWorld            
As gravity exerts its pressure within parts of the expanding fireball, subnuclear particles merge into more complex elements

c. 12 billion years ago
Narrative history in HistoryWorld        
The first galaxies begin to form, as self-contained gravitational systems with gases gradually coalescing into stars

c. 4.6 billion years ago
Narrative history in HistoryWorld        
A new galaxy, the Milky Way, forms - and one of its stars is our sun

c. 4.6 billion years ago
Narrative history in HistoryWorld        
The new star settles down, while nuclear dust in the vicinity coalesces into planets and asteroids orbiting the sun

c. 4.5 billion years ago
Narrative history in HistoryWorld        
The earth condenses into a solid sphere, with an inner core which is extremely dense and hot

c. 4 billion years ago
Narrative history in HistoryWorld        
The earth's surface settles into a heaving turmoil of rock and water

c. 3.5 billion years ago
Narrative history in HistoryWorld        
Fossilized bacteria have been found in rock 3.5 billion years old in Africa

c. 3 billion years ago
Narrative history in HistoryWorld        
Single-celled water creatures, such as algae, begin the 2-billion-year process of evolving into slightly more complex forms of life


Next page