generate questions: Napoleon III, since the Crimean War Britain's closest ally, visited London in April 1855, and from 17 to 28 August the same year Victoria and Albert returned the visit. Napoleon III met the couple at Dunkirk and accompanied them to Paris. They visited the Exposition Universelle (a successor to Albert's 1851 brainchild the Great Exhibition) and Napoleon I's tomb at Les Invalides (to which his remains had only been returned in 1840), and were guests of honour at a 1,200-guest ball at the Palace of Versailles.
who was britains closest ally since the Crimean war? {sep_token} When did Napoleon iii visit London? {sep_token} Where did Napoleon Meet Victoria and Albert? {sep_token} Napoleon accompanied Victoria and Alber to what city diring the visit? {sep_token} Victoria and Albert were the guests of honor at a large ball that took place where? {sep_token} Who was Britains's closest ally following the Crimean War? {sep_token} What did Napoleon III and the royal couple visit? {sep_token} When were Napoleon I remains returned to their resting place at Les Invalides? {sep_token} How many guests attented a ball at the Palace of Versaille with Napoleon III and the royal couple in attendence? {sep_token} Where did Napoleon III meet Victoria and Albert, before accompanying them to Paris? {sep_token} When were Napoleon I's remains interred in his mausoleum? {sep_token} Who was Britian's closest ally after the Crimean War? {sep_token} Where were Victoria and Albert honored guests at ball thrown by Napoleon III? {sep_token} When did Napoleon III visit London? {sep_token}