• At Larache on 6 August, France and Morocco formally exchanged ratifications of the Treaty of Lalla-Maghnia, one year after French victories at Tangier, Isly, and Mogador forced Sultan Abd al-Rahman to the table.
• The Gazette de Bâle warns that Swiss Catholic pilgrims are flooding to the tomb of Nicholas of Flüe in such numbers that even Radical newspapers call the primitive cantons "fanatically excited," raising fears of a fresh civil war.
• A Manchester-to-Leeds mail train travelling at fifty miles an hour left the rails seven miles from Leeds, smashing two carriages and sending a traveller, his wife, and his daughter to the infirmary "in a dreadful state."
• The Monville factory disaster near Rouen claimed at least 75 dead and 150–170 wounded; in M. Picquot's mill alone 163 workers were present, of whom 33 were killed and 58 seriously injured.

• A priest in Ávila allegedly persuaded a dying man to revoke his will in his young wife's favour, instead ordering restitution of purchased Church lands and a 70,000-real bequest to charity, causing popular outrage.

• At the carpenters' coalition trial, master contractor Lorrain testified that a carpenter brought from Rouen to break the strike was ambushed and beaten so badly he was laid up for seven days, and that the stoppage cost Lorrain 25,000 to 30,000 francs.
• The Duke of Montpensier, returning from Upper Egypt, attended a banquet for sixty at the French consulate in Alexandria and a ball hosted by acting consul Vincent Benedetti, then stood as godfather to Clot Bey's daughter, named Marie-Amélie-Antoinette.

Music

• Composer Meyerbeer, expected in Paris at the end of August, will not deliver Le Prophète or L'Africaine to the Opéra this year; he comes only to audition new singers before returning with a score in the spring.