Speaker of the National Assembly: István Rakovszky (from 18 February)
Events
January
January 5 – Albert Apponyi's Hungarian delegation arrives to Paris[1]
January 15 – Paris Peace Conference presents peace terms to the Hungarian delegation
January 16 – Albert Apponyi speaks in front of the Paris Peace Conference[2][3]
January 25 – 1920 Hungarian parliamentary election begin. It can't be held in Romanian occupied Tiszántúl, and Serbian occupied Baranya and Bácska
February
February 10 – Allied Military Mission leaves Budapest
February 25 – Romania begins withdrawal from Tiszántúl
February 27 – Law 1920:I, the assembly will elect a provisional regent until the question of the head of state is settled[4]
March
Hungary begins secret negotiations with the new French government of Millerand for the re-negotiation of the Trianon borders in exchange for economic concessions to the French.
March 1
Hungary restores the Monarchy
Miklós Horthy elected as regent
French troops withdraw from Szeged
March 15 – Simonyi-Semadam Government formed
March 30 – Romania finishes withdrawal from Tiszántúl
May
May 12 – Hungary presents its border proposal to the French government: they ask for all Hungarian-populated areas along the Trianon borders, referendums in the Banat and Burgerland, Carpathean Ruthenia and Eastern Slovakia for "economic reasons". The proposal was unacceptable for the French party, leading to the end of the secret negotiations.
May 18 – Minister of the Interior Mihály Dömötör bans freemasonry by decree
July 26 – Anti-semitic paramilitary attacks guests at Club Kávéház, kill 2 people[8]
August
August 1 – Hungarian uprising in Szomoróc (Somorovci)
August 11 – Czechoslovakia and Kingdom of Serbs, Croats and Slovenes forms a collective defense arrangement against Hungary[9]
September
September 26 – Numerus Clausus quota passed, limiting nationalities in university admissions to their share in the population. In practice, this limits the admission of Jewish students[10]
October
October 20 – Order of Vitéz founded
November
November 10 – Murder of police officer József Soltra[11]
November 11 – The government cracks down on far-right paramilitaries in Hotel Britannia and Ehman-telep[12]
^A magyar béketárgyalások. Jelentés a magyar békeküldöttség működéséről [The Hungarian peace negotiations. Report on the operation of the Hungarian peace delegation.] (Report) (in Hungarian). Vol. 1. Budapest: Ministry of Foreign Affairs. 1920. pp. 276–281.
^Székelyföld autonómiája a két világháború közti erdélyi magyarrendezési tervekben (1918–1940) [The autonomy of Székelyföld in the Transylvanian Hungarian settlement plans between the two world wars (1918–1940)] (in Hungarian), p. 7
Bartha, Á. (2019). "Az utolsó csepp a pohárban. Soltra József rendőr meggyilkolása. Csoportosulás, lázadás és a társadalom terrorizálása". Rendészettörténeti Tanulmányok. 2: 28–44.
Gusztáv, G. (1992). A forradalmak kora: Magyarország története: 1918-1920. Magyar Szemle Társaság.
MacMillan, M. (2003). Paris 1919: six months that changed the world. New York: Random House.