XIR101771 The Republican Oath being signed in blood and singing \'The Marseillaise\', c.1792 (gouache on paper) by Lesueur Brothers, (18th century); Musee de la Ville de Paris, Musee Carnavalet, Paris, France; (add.info.: Oath signed when Parisians knew Austrians & Prussians were at Chalons, signed to say wont stop fighting until enemy leaves; national anthem first sung in Strasbourg 25 April 1792;); French, out of copyright.