• Queen Victoria visited Charlemagne's tomb at Aachen, was serenaded with Rule Britannia by Cologne citizens, and attended a Brühl château concert conducted by Meyerbeer with Jenny Lind performing.
• The Cour de cassation quashed the Paris Cour royale ruling that had cleared Rosemond de Beauvallon of killing newspaper director Dujarier in a duel, remitting the case to another court.
• Mexico's declaration against the United States predates Texas's vote on 16 June to join the American Union; dispatches from Vera Cruz on 2 July showed Mexico preoccupied with internal troubles rather than foreign war.

• Prince Eugène de Berghes, 22, was convicted and sentenced to three years' imprisonment for forging 25 Jockey-Club tokens worth 2,500 francs — paying gambling debts with counterfeit ivory chips he had manufactured nearby on the rue du Bac.

• The Archbishop of Paris ordered nine consecutive days of public prayers from 15 to 21 August to beseech fair weather, warning that cold, wet conditions threatened the harvest across France.
• Paris bread prices rose again: first-quality loaves now cost 34 centimes per kilogramme, effective 16 August.

Literature

• Banker Danglars confronts Baroness Hermine with an accounting of 500,000 francs passed to her via market tips from secretary Debray, demanding she repay 175,000 francs after a false telegraph dispatch on Spanish funds cost him 700,000 francs.

Theatre

• The Paris Opéra is tonight performing the first two acts of Auber's Le Serment followed by the ballet Le Diable à quatre, while the Opéra-Comique offers Boieldieu's La Dame Blanche and Grétry's Richard Cœur de Lion.