• 30 May -
Treaty of Tafna signed by France and
Emir Abdelkader, after French forces sustained heavy losses and military reversals in
Algeria. • 24 August -
Queen Marie Amélie and
King Louis Philippe officially open the first section of the Paris–
Saint-Germain-en-Laye railway, the first steam-worked passenger line in France. • 4 November -
Legislative election held for the fourth legislature of the
July Monarchy. • At
Le Mans, Father Basil Moreau founds the
Congregation of Holy Cross, by joining the Brothers of St. Joseph and the Auxiliary Priests of Le Mans. •
Louis Daguerre develops the
daguerreotype. • Luxury goods manufacturer
Hermès is established in Paris by
Thierry Hermès. • Joseph Maes and Rouyer establish a glass factory in the Paris suburb of
Boulogne-Billancourt, and after 1839, it becomes the Cristallerie de Clichy. •
Sylvain Charles Valée captures and conquers
Skikda, Algeria. ==Births==