c. 70,000BP Human species numbers perhaps 2,000.

c. 50,000BP Major jump in technology.

c. 11,600BP Human species about 4 million.
Ice Age ends. Farming begins.

c. 5,200BP Earliest known writing.

c. 1450 First uncontrolled printing press.

1500 Human species hits 500 million.

1776 First practical steam engines.

1785 First practical interchangeable parts.

1800 Human species hits 1 billion; 2 percent urban.
Britain 25 percent urban. United States 5 percent urban.

1803 First practical assembly line. First practical locomotive.

1851 Britain 50 percent urban.

1870 United States 25 percent urban.

1876 British birthrate peaks.

1900 Human species hits 1.65 billion; 13 percent urban.
Britain 77 percent urban. United States almost 40 percent urban.

1920 United States 50 percent urban.

1950 Human species hits 2.5 billion; 29 percent urban.
Britain 79 percent urban. United States 61 percent urban. Egypt 32 percent urban. India 17 percent urban.

1951 First commercial electronic computer sold.

1957 United States birthrate peaks.

1960 Human species hits 3 billion; 33 percent urban.

1963 World birthrate peaks.

1974 Human species hits 4 billion; 37 percent urban.

1987 Human species hits 5 billion; nearly 43 percent urban.

1990 World population growth rate peaks.

1993 Computer networks globalize.

1998 First human-brain-to-computer interface implanted.

1999 Human species hits 6 billion; nearly 47 percent urban; nearly 6 percent online.

2007 Human species hits 6.6 billion; 50 percent urban; 18 percent online (1.2 billion people).
Britain 90 percent urban. United States 81 percent urban. Egypt 43 percent urban. India 29 percent urban.

2010? Human species nears 7 billion; 53 percent urban; 20 percent online.

2020? Supercomputers hit human neural complexity level.

2030? Human species nears 8.3 billion; 62 percent urban; 30 percent online; 30 percent still without adequate water and toilets; 0.5 percent still slaves.
Computing power has liquefied, and is more available than electrical grid power. Transient metaconcerts beginning.

2040? Human species nears its peak of 9 billion; 66 percent urban; 45 percent online.
Cheap computers hit human neural complexity level. Metaconcerts common. Intelligence begins to liquefy.

2050 ?

c. 70,000BP	Human species numbers perhaps 2,000.
c. 50,000BP	Major jump in technology.
c. 11,600BP	Human species about 4 million. Ice Age ends. Farming begins.
c. 5,200BP	Earliest known writing.
c. 1450	First uncontrolled printing press.
1500	Human species hits 500 million.
1776	First practical steam engines.
1785	First practical interchangeable parts.
1800	Human species hits 1 billion; 2 percent urban. Britain 25 percent urban. United States 5 percent urban.
1803	First practical assembly line. First practical locomotive.
1851	Britain 50 percent urban.
1870	United States 25 percent urban.
1876	British birthrate peaks.
1900	Human species hits 1.65 billion; 13 percent urban. Britain 77 percent urban. United States almost 40 percent urban.
1920	United States 50 percent urban.
1950	Human species hits 2.5 billion; 29 percent urban. Britain 79 percent urban. United States 61 percent urban. Egypt 32 percent urban. India 17 percent urban.
1951	First commercial electronic computer sold.
1957	United States birthrate peaks.
1960	Human species hits 3 billion; 33 percent urban.
1963	World birthrate peaks.
1974	Human species hits 4 billion; 37 percent urban.
1987	Human species hits 5 billion; nearly 43 percent urban.
1990	World population growth rate peaks.
1993	Computer networks globalize.
1998	First human-brain-to-computer interface implanted.
1999	Human species hits 6 billion; nearly 47 percent urban; nearly 6 percent online.
2007	Human species hits 6.6 billion; 50 percent urban; 18 percent online (1.2 billion people). Britain 90 percent urban. United States 81 percent urban. Egypt 43 percent urban. India 29 percent urban.
2010?	Human species nears 7 billion; 53 percent urban; 20 percent online.
2020?	Supercomputers hit human neural complexity level.
2030?	Human species nears 8.3 billion; 62 percent urban; 30 percent online; 30 percent still without adequate water and toilets; 0.5 percent still slaves. Computing power has liquefied, and is more available than electrical grid power. Transient metaconcerts beginning.
2040?	Human species nears its peak of 9 billion; 66 percent urban; 45 percent online. Cheap computers hit human neural complexity level. Metaconcerts common. Intelligence begins to liquefy.
2050	?

Short Timeline