France regions (five of which are situated overseas) span a combined area of and a total population of 67.3 million (). France, a sovereign state, is a unitary semi-presidential republic with its capital in Paris, the country's largest city and main cultural and commercial centre. Other major urban areas include Lyon, Marseille, Toulouse, Bordeaux, Lille and Nice. During the Iron Age, what is now metropolitan France was inhabited by the Gauls, a Celtic people. Rome annexed the area in 51 BC, holding it until the arrival of Germanic Franks in 476, who formed the Kingdom of France. France emerged as a
What Is to Be Done? (novel) based on his own ideas of moral responsibility. Vladimir Lenin, however, found it inspiring and named a 1902 pamphlet "What Is To Be Done?". Lenin is said to have read the book five times in one summer, and according to Professor Emeritus of Slavic and Comparative Literature at Stanford, Joseph Frank, 'Chernyshevsky's novel, far more than Marx's "Capital", supplied the emotional dynamic that eventually went to make the Russian Revolution.' The novel mentions (in the 4th dream of Vera Pavlovna) aluminium as the "metal of the future". In fact aluminium became widely used only starting with World War I (1914).