His great-grandson Louis XV became king at the age of only five, with Philip of Orleans serving as regent. The Court returned to Paris, with the new king installed in the Palais-Royal. Philip quickly gained a reputation for corruption and debauchery. His involvement in the financial scandal of the South Sea Bubble in 1720 greatly discredited him, freeing Louis XV to move the court back to Versailles.
Extreme right- and left-wing parties flourished, and on 5 February 1934 a mob of Fascist and other far-rightists attempted to storm the National Assembly in a botched coup attempt. In the ensuing violence, fifteen people were killed and another 1,500 wounded. In response, the Socialists and Communists united to form a Popular Front, which took power in 1936 but fell only a year later.
Tensions were high, and led to the largest abuse in the city's postwar history, when the Paris police, told wrong news about policemen having been murdered by independentists, massacred an estimated 300 pro-independence demonstrators on 17 August 1961; remarkably, the event, though known in some circles, was largely ignored until the 1990s. (See Paris massacre of 1961)
Prior to 1968, département 75 was the Seine département, which contained the city of Paris and its immediate suburbs. The splitting up of the Seine département resulted in the creation of four new départements: Paris proper (75), and three départements (Hauts-de-Seine, Seine-Saint-Denis and Val-de-Marne) forming a ring around Paris, often called la petite couronne (i.e. the "small ring", as opposed to the "large ring" of the more distant suburbs of Paris).
Napoleon's military campaigns against the British, Austrians and Russians initially met with great success but hubris, overconfidence and poor planning caused the annihilation of his army in 1813 in the depths of a Russian winter. Russian and Austrian armies invaded France in 1814 and on 31 March 1814, Paris fell to the Russians - the first time in 400 years that the city had been conquered by a foreign power.
In 885 the city was faced with a massive Viking invasion force, said to have numbered 700 ships and 30,000 men. Its inhabitants sought the assistance of Robert the Strong, Count of Anjou, and his son Odo, Count of Paris. Odo led the defence of the city in opposition to a ten-month Viking siege in 885 and became co-ruler of the Empire with Charles the Simple. His son Hugh Capet was elected King of France (or Francia - literally the land of the Franks) in 987. He made Paris his capital and founded a long-lasting dynasty, the Capetians.
The city was saved, however, by a desperate French effort to reinforce their lines and by a German failure to press home the attack. In the most famous incident of the "miracle on the Marne", as it became known, thousands of Parisian taxis were commandeered to carry soldiers to the front lines. The Germans were pushed back to the Oise some 75 miles away from the city.
The city's status was reflected in the construction of grandiose new monuments, such as the Arc de Triomphe and the Eglise du Dome in which Napoleon's body was interred. Much of the population, however, lived in appalling conditions in diseased slums; a cholera outbreak in 1831 killed over 19,000 people.
The Capetian line died out in 1328, leaving no male heir. Edward II of England claimed the French throne by virtue of his descent (via his mother) from Philip IV of France. This was rejected by the French barons, who supported the rival claim of Philippe of Valois (Philip VI of France). The Hundred Years' War thus began, followed swiftly by the arrival of the Black Death.