Time Periods

1) Marked by human evolution in using rocks for tools

2.8 mya-3300 BC

2) Period of global cooling marked by glacial movements and intense cold

115,000 years ago

3) Human development towards using metal tools to build and create

3300-1200 BC

4) Following the above, more advanced tools were created using a harder, more abundant metal

1200-550 BC

6) Time in European history marked by political and cultural upheaval after the fall of the Roman Empire

400-900 AD

7) Includes the above and lasts around 1000 years. Knights, serfs, kings, etc

500-1500 AD

8) Period of global navigation and discoveries of new lands with those like Columbus and Magellan

1400s-1600s

9) Marked by a rebirth of social, cultural and economic revival, with figures like Michelangelo and DaVinci

1350-1600s

10) Marked by a boom in the fields of biology, chemistry astronomy and mathematics in Europe

1500s-1600s

11) Period in the US south marked by an increase in slavery and a deeper divide between the South and North

1814-1860

12) Followed the Civil War with focus on a political, social and cultural revival of the fractured Southern states

1865-1877

13) The widespread boom of manufacturing and urbanization in efficiency of machinery and technology

1760s-1900s

14) Period of movement and expansion of the western US, marked by outlaws, frontier towns and Manifest Destiny

1860s-1890s

15) Saw the rise of wealthy elites such as Rockefeller, the Vanderbilts, Carnegie and JP Morgan

1870s-early 1900s

16) Period in the US where alcohol was banned, leading to smuggling and underground bars like speakeasies

1920-1933

17) Movement of social and cultural ideas that influenced music and culture, such as the Charleston and flappers

1920s

18) Period of economic downfall marked by the crash of the stock market in 1929

1929-1939

19) Period of exploration into the universe marked by the development of spacecraft and astronauts

1957-1975

20) Marked by the geopolitical tension between the US and USSR from the end of WW2 until the early 1990s

1947-1991