Complex sentence: The national "New Dawn" servers were discontinued in 2005 and merged into a general (English-language) European server, and beginning with (2008), the expansion production rate returned to one expansion a year instead of two.
Split into simpler sentences: The national "New Dawn" servers were discontinued in 2005 and merged into a general (English-language) European server. Beginning with (2008), the expansion production rate returned to one expansion a year instead of two.