1 / 17 Swooping warplanes, axe-carrying warriors, a drone light show over the Eiffel Tower and fireworks in nearly every French town – it must be Bastille Day. France celebrated its biggest holiday Monday with 7,000 people marching, on horseback or riding armored vehicles along the cobblestones of the Champs-Elysees, the most iconic avenue in Paris. And there are plans for partying and pageantry around the country. Parisians stormed the Bastille fortress and prison on July 14, 1789, a spark for the French Revolution that overthrew the monarchy. In the ensuing two centuries, France saw Napoleon’s empire rise and fall,...