Which historic event caused the greatest change to the settlement patterns in much of Europe

6 answers

This is too vague. When? In northern Europe? Outside of Europe? South of Europe? Where?
www.google.com/search?source=hp&ei=op_yxdd3fszb5glss5xaba&q=which+historic+event+caused+the+greatest+change+to+the+settlement+patterns+in+much+of+europe+&oq=which+historic+event+caused+the+greatest+change+to+the+settlement+patterns+in+much+of+europe+&gs_l
Sorry about the link. the answer is
French Revolution

The French Revolution broke out in 1789, and its effects reverberated throughout much of Europe for many decades.
www.britannica.com/topic/history-of-Europe/Revolution-and-the-growth-of-industrial-society-1789-1914
Read this
Still too vague, and although the French Revolution may have been truly major, it doesn't account for changes in settlement patterns that occurred in all the centuries before that.

http://what-when-how.com/ancient-europe/settlement-patterns-and-landscapes-discovering-barbarian-europe/
You're right. Ana do you have any options or choices you can pick? Please let us know. This does seem vague.