Complex sentence: In 1857, English nurse Florence Nightingale used information graphics persuading Queen Victoria to improve conditions in military hospitals, principally the Coxcomb chart, a combination of stacked bar and pie charts, depicting the number and causes of deaths during each month of the Crimean War.
Split into simpler sentences: In 1857, English nurse Florence Nightingale used information graphics to persuade Queen Victoria to improve conditions in military hospitals. The principal one she used was the Coxcomb chart, a combination of stacked bar and pie charts, depicting the number and causes of deaths during each month of the Crimean War.