Complex sentence: The first use of searchlights using carbon arc technology occurred during the Siege of Paris during the Franco-Prussian War Royal Navy used searchlights in 1882 to prevent Egyptian forces from staffing artillery batteries at Alexandria.
Split into simpler sentences: The first use of searchlights using carbon arc technology occurred during the Siege of Paris during the Franco-Prussian War. The Royal Navy used searchlights in 1882 to prevent Egyptian forces from staffing artillery batteries at Alexandria.