Complex sentence: In 1710s emperor has taken part in destiny of settlement-it has enjoined to block the Dudergofka river in 1715; the pond mirror was supported by a dam of a mill till 1941 when the dam has been destroyed as a result of military operations.
Split into simpler sentences: In 1710s emperor has taken part in destiny of settlement-it has enjoined to block the Dudergofka river in 1715. The pond mirror was supported by a dam of a mill till 1941 when the dam has been destroyed as a result of military operations.