upheaval

noun3

1. •
   The process of being heaved upward, especially the raising of part of the earth's crust.
2. •
   (figurative) A disruptive change, from one state to another.
3. •
   (figurative) A sudden violent upset, disruption or convulsion.

   • Since that upheaval Wales have won just once in seven games, beating Northern Ireland in the Nations Cup last May. — 2011