Simplify the following text for a Grade 9 native English-speaking person.
Original: The Bell-Beaker culture ( often simply called Beaker culture , Beaker people or Beaker folk , German : Gockenbecherkultur , Culture that used bell-shaped cups ) is the name of a cultural phenomenon that occurred in large parts of Western Europe , roughly between 2800 BC and 2200 BC ( in Great Britain until about 1900 BC ) .
Simplified: The Bell-Beaker culture ( sometimes shortened to Beaker culture , Beaker people , or Beaker folk ; ) , ca .