This large project took many years to finish; it was completed in 1914--29 years after the beginning of the German colonization.
When it was finally done, it was already 1914--29 years after the beginning of the German colonization. This large project took many years to finish.
This large project took many years to finish. When it was finally done, it was already 1914--29 years after the beginning of the German colonization.
This large project took many years to finish. When it was finally done, it was already 1914--29 years after the beginning of the German colonization.