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The development of groups in prehistory, antiquity, and classical and medieval times can be considered. Modern groups are the best known. The future can also be considered. |
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Early prehistory including the Pliocene, early Pleistocene, erly mid Pleistocene, late mid Pleistocene, and late Pleistocene can be connected. Middle prehistory including the 5th decamillenniun BP, 4th decamillennium BP, 3rd decamillennium BP, 2nd decamillennium BP can be connected. Late prehistory including the early 8th millennium BC, late 8th millennium BC, early 7th millennium BC, late 7th cmillennium BC, early 6th millennium BC, and late 6th millennium BC can be connected.
The 5th millennium BC including the early 5th millennium BC, early mid 5th millennium BC, mid 5th millennium BC, late mid 5th millennium BC, and late 5th millennium BC can be considered. The 4th millennium BC including the early 4th millennium BC, the early mid 4th millennium BC, the mid 4th millennium BC, the late mid 4th millennium BC, and the late 4th millennium BC might be connected. The 3rd millennium BC including the early 3rd millennium BC, early mid 3rd millennium BC, mid 3rd millennium BC, late mid 3rd millennium BC and late 34d millennium BC can be connected. The 2nd millennium BC including the early 2nd millennium BC, early mid 2nd millennium BC, late mid 2nd millennium BC, and late 2nd millennium BC can be connected. The early 1st millennium BC including the 10th century BC, 9th century BC, 8th century BC, 7th century BC, and 6th century BC can be connected.
Early classical history including the 5th century BC, 4th century BC, 3rd century BC, 2nd century BC, and 1st century BC can be connected. The late classical period including the 1st century CE, 2nd century CE, 3rd century CE, 4th century CE, and 5th century CE can be considered. The early medieval period including the 6th century, 7th century, 8th century, 9th century, and 10th century can be coonected. can be considered. Late medieval periods including the 10th century, 9th century, 8th century, 7th century, and 6th century can be considered.
The early 16th century, early mid 16th century, mid 16th century, late mid 16th century, and late 16th century can be connected.
The early 17th century, early mid 17th century, mid 17th century, late mid 17th century, and late 17th century can be considered.
The early 18th century, early mid 18th century, mid 18th century, late-mid 18th century, and late 18th century can be considered.
The early 19th century including the early 1800s, late 1800s, early 1810s, and late 1810s can be connected. The early-mid 19th century including the early 1820s, late 1820s, early 1830s, and late 1830s can be connected. the mid 19th century including the early 1840s, late 1840s, early 1850s, and late 1850s can be connected. The late-mid 19th century including the early 1860s, late 1860s, early 1870s, and late 1870s can be connected. The late 19th century including the early 1880s, late 1880s, early 1890s, and late 1890s can be connected.
The early 20th century including the early 1900s, late 1900s, early 1910s, and late 1910s can be connected. The early-mid 20th century including the early 1920s, late 1920s, early 1930s, and late 1930s can be connected. The mid 20th century including the early 1940s, late 1940s, early 1950s, and late 1950s can be connected.
The early 1960s, late 1960s, early 1970s, and late 1970s can be connected.
The early 1980s, late 1980s, early 1990s, and late 1990s including 1996, 1997, 1998, 1999, or 2000 can be connected.
The early 2000s including 2001, 2002, 2003, 2004, and 2005 may be connected.
The late 2000s down to 2006 also provide examples, in the first quarter, second quarter, third quarter, and fourth quarter. 2007 including the 1st quarter, 2nd quarter, 3rd quarter, and 4th quarter also provides examples. 2008 can be connected. The first quarter, the second quarter during April, May, and June, and the third quarter down to July, August, and September can be connected. The fourth quarter including October, and November can be connected. 2009 including the first quarter 2009, second quarter 2009, third quarter 2009, and fourth quarter 2009 can be connected. 2010 including the first quarter 2010, second quarter 2010, third quarter 2010, and fourth quarter 2010 can be connected.
The early 2010s can be connected. 2011 can be connected. The first quarter 2011 can be connected.
January 2011 including 2011 week 1, 2011 week 2, 2011 week 3, 2011 week 4, 2011 week 5, and 2011 week 6 can be connected.
February 2011 including 2011 week 6, 2011 week 7, 2011 week 8, 2011 week 9, and 2011 week 10 can be connected. March 2011 can be connected.
The second quarter 2011 including April 2011 can be connected. May 2011 including 2011 week 19, 2011 week 20, 2011 week 21, 2011 week 22, and 2011 week 23 can be connected. June 2011 including 2011 week 23, 2011 week 24, and 2011 week 25 can be connected. The third quarter 2011 including July 2011, August 2011, and September 2011 can be connected. The fourth quarter 2011 can be connected.
The near future with next month (November 2008 and December 2008), next quarter, next year can be examined. The middle future including the next 5 years, next 20 years, next century, and next 5 centiuries can be connected. The far future including the next 2 millennia, next 10,000 years, next 50,000 years, next 200,000 years, next million years, and beyond the next million years has not yet been closely examined.