Timeline Worksheet: August 23, 1990, Germany Geography On August 23, 1990, East and West Germany announced their upcoming reunification. Explore Germany with this geography worksheet and learn about the geography of East and West Germany. Timeline Worksheet: August 23, 1990, Germany Geography Worksheet Fits European history timeline.* *If you are new to this series, visit my introduction to timelines. Return to the Timeline. Join our community of 16,000+ for history, language arts, writing, math, science, and more, plus special resources about Asia, missions, and the persecuted Church.