The following are events or stages in the history of europe. arrange them in chronological order, first to last, based on when they occurred.
many anglo-saxons converted to christianity
christians driven to wales
transition to christianity in scandinavia
beowulf transcribed by christians

So here is the arrangement of the given events or stages in the history of Europe. 
First, Christians driven to Wales.
Second, Many Anglo-Saxons converted to Christianity.
Third, Beowulf transcribed by Christians.
Fourth, Transition to Christianity in Scandinavia.
Hope this is the answer that you are looking for. 

The congress completes the diagram