1836 – General Létang transforms the glacis Castle-Nine into a walk which bears its name.[citation needed]
1837 – General Bugeaud arrived in Oran to negotiate a new treaty (The Treaty of Tafna, May 20) with Emir Abd El-Kader. On November 14 the Emir signed a treaty with Desmichel recognizing its [whose?] authority to the west of Algiers except for Oran, Mostaganem and Arzew.[citation needed]
1847 – Following a severe drought lasting several months, a terrible epidemic of cholera strikes, decimating the population of Oran.[citation needed]
1847 - January 1: 47,300 French people had come from Alsace, the Vosges, Dauphiné and the south of France at the same time as 31,000 Spaniards, 8,800 Maltese, 8,200 Italians and 8,600 Swiss and Germans who were believed to be the worst settlers.
1858 – December 5: The members of the first general council of Oran, named by Emperor Napoleon III, meet with the prefecture, with Jules de Pre de Saint-Maur as chairman.[citation needed]
1865 - Napoleon III grants French nationality to Jews and Muslims. This decree was very frowned upon by the settlers and it was not until October 24, 1870 that the Crémieux decree actually allowed 37,000 Jews from Algeria to become citizens of France.
1909 – December 14: the first flight in Oran is carried out by Julien Serviès on a Sommer monoplane at Sénia,. Next 9 January, a great meeting gathers forty thousand people, also in Sénia, in the presence of Marshal Lyautey.[citation needed]
1930 – Creation of new districts, less dense and more luxurious: these included higher Gambetta, Bon Reception, the Beavers, Médioni, Small Boulanger, Cité... This development continues overall with the creation of districts even more sumptuous, overflowing the first crown (district of Saint-Hubert, Palm trees, Point of the Day, Gambetta...)[citation needed]
1930–32 – Sénia, the Oran aérodrome, is where several world records of duration and distance in closed loop are established.[citation needed]
1931 - Population: 187,981.
1936 - Population: 217,819 inhabitants in Oran. On August 1, 1936, the French designer and couturier Yves Saint Laurent was born in Oran.
1936 - The number of Moroccans in the department of Oran is 19,902, of which 4,395 lived in the city of Oran.
1940
Beginning of the construction of the new prefecture.[citation needed]
July 3: following the German invasion of Paris and fall of France, the British fleet attacked from Gibraltar, damaging the French fleet of the Atlantic based at Mers el Kébir. Its bombardment sank three battleships: Dunkerque,Provence and Bretagne. Twelve hundred French sailors died as a result. The British feared that the French fleet could be taken over and used against them. The Vichy government operated in Algeria.[citation needed]
1942 – November 8: as prelude to the invasion of Italy, the British and the Americans land at Arzew, and Oran capitulates on November 10.[citation needed]
1950 – Oran has 256,661 inhabitants. Sixty-five percent of the Europeans were of Spanish origin, and they outnumbered the Algerian Muslims in the city.[citation needed]
"Oran", The Mediterranean: Seaports and Sea Routes, including Madeira, the Canary Islands, the Coast of Morocco, Algeria, and Tunisia, Leipzig: Karl Baedeker, 1911, OCLC490068
Bruce E. Stanley; Michael R.T. Dumper, eds. (2008), "Oran", Cities of the Middle East and North Africa, US: ABC-CLIO, p. 289+, ISBN9781576079201
Joshua Schreier. The Merchants of Oran: A Jewish Port at the Dawn of Empire. Stanford Studies in Jewish History and Culture Series.; Stanford Stanford University Press, 2017. 216 pp. ,ISBN978-0-8047-9914-0.
Claire Marynower (2013). "Full place of power: interwar Oran, the French empire's bullring?". Journal of North African Studies. 18 (5): 690–702. doi:10.1080/13629387.2013.849895. S2CID144391192.
in French
G. Seguy (1888). "Oran". In Association française pour l'avancement des sciences (ed.). Oran et l'Algérie en 1887: notices historiques, scientifiques, & economiques (in French). Oran: Paul Perrier. pp. 19–78.
Ch. Brossard, ed. (1906). "Oran: Description des villes: Oran". Colonies françaises. Géographie pittoresque et monumentale de la France (in French). Paris: Flammarion. hdl:2027/mdp.39015005579753. (+ table of contents)
Jean Cazenave (1926). "Oran cité berbère". Bulletin de la Société de Géographie et d'Archéologie d'Oran (in French). 46.
René Lespès (1938). Oran: Etude de geographie et d'histoire urbaines (in French). Paris: Alcan.
Camille Kehl (1942). Oran et l'Oranie avant l'occupation Française (in French). L. Fouque.