Paul Graham geologic timeline By 3lmo_serpent_ Period: Dec 20, 2002 to Mar 14, 2016 eon=l ife span major division of geological time Period: Dec 20, 2002 to Dec 20, 2003 infant era a subdiviosion of an eon Period: Dec 20, 2003 to Dec 20, 2004 Todler era Period: Dec 20, 2003 to Apr 20, 2005 period daycare Period: Dec 20, 2004 to Dec 20, 2016 childhood era Period: Apr 20, 2005 to Apr 20, 2007 period preschool Period: Apr 20, 2007 to Apr 20, 2015 period elementery school Period: Aug 20, 2007 to Apr 20, 2008 epoch kindergarten Period: Apr 20, 2008 to Apr 20, 2009 epoch 1st grade Period: Apr 20, 2009 to Apr 20, 2010 epoch 2nd grade Period: Apr 20, 2010 to Apr 20, 2011 epoch 3rd garde Period: Apr 20, 2011 to Apr 20, 2012 epoch 4th grade Period: Apr 20, 2012 to Apr 20, 2013 epoch 4th grade Period: Apr 20, 2013 to Apr 20, 2014 epoch 5th grade Period: Apr 20, 2014 to Apr 20, 2015 epoch 6th grade Period: Apr 20, 2015 to Apr 20, 2016 period KCMS
