The name "slav" which forms a part of the name of many European people groups is derived from the word "slave." According to the [[Domesday Book]] census in 1086 AD, 10% of England's population was enslaved.<ref>[http://www.domesdaybook.net/helpfiles/hs2970.htm Domesday Book Slave]</ref> | The name "slav" which forms a part of the name of many European people groups is derived from the word "slave." According to the [[Domesday Book]] census in 1086 AD, 10% of England's population was enslaved.<ref>[http://www.domesdaybook.net/helpfiles/hs2970.htm Domesday Book Slave]</ref> |