1921 in Hungary

The following lists events in the year 1921 in Hungary.

Incumbents

 * Regent: Miklós Horthy
 * Prime Minister: Pál Teleki (to 14 April), István Bethlen (from 14 April)
 * Speaker of the National Assembly: István Rakovszky (to 30 July), Gaszton Gaál (from 12 August)

March

 * 14 March - Act III of 1921 passed by the National Assembly. The so-called "order law" invests powers in the government to protect the social order against communists and other radicals
 * 27 March - Easter Crisis: Charles IV returns to Hungary at Szombathely
 * 28 March - Easter Crisis: Charles IV negotiates with Horthy in Budapest. Horthy refuses to resign power. Charles IV returns to Szombathely.

April

 * 1 April - Easter Crisis: People's Assembly supports Horthy against Charles IV
 * 5 April - Easter Crisis: Charles IV leaves Hungary
 * 6 April - Act III of 1921 comes into effect
 * 14 April - István Bethlen replaces Pál Teleki in government
 * 23 April - Romania signs alliance with Czechoslovakia

May

 * 4 May - Land swap agreement between Romania and Czechoslovakia

June

 * 7 June - Romania signs alliance with Kingdom of Serbs, Croats and Slovenes

August

 * 6 August - Inter-Allied General Committee publishes the plan for the transfer of Burgerland from Hungary to Austria in 3 stages (A, B and C Zone).
 * 9-10 August - Pact between Czechoslovakia and Austria. Czechoslovakia would support Austrian territorial claims and LoN loan, Austria denounces Habsburg restoration attempts.
 * 14 August - Serbian–Hungarian Baranya–Baja Republic declared
 * 21 August - Serbian–Hungarian Baranya–Baja Republic dissolved
 * 22 August - Hungarian forces enter Pécs
 * 26 August - Scheduled date of evacuation of Zone A, delayed by 48 hours
 * 27-28 August - Uprising in West Hungary begins

September

 * 7-8 September - Second Battle of Ágfalva
 * 15 September - Italian foreign minister Pietro Tomasi Della Torretta begins to mediate between Austria and Hungary
 * 16 September - Prónay briefly arrests Antal Lehár
 * 23 September - Entente demands Hungary evacuate Zone B and C
 * 29 September -
 * Gyula Gömbös writes to Prónay, asking him to take control of Zone B and C after Hungarian evacuation.
 * Ludwig III of Bavaria arrives to Sárvár where he spends his last weeks

October

 * 3 October - Hungarian forces leave Zone B and C.
 * 4 October - Pál Prónay declares the independent state of Lajtabánság in Burgerland
 * 7 October - Austro-Hungarian negotiations begin in Venice with Italian mediation
 * 13 October - Venice Agreement between Hungary and Austria
 * 17-18 October - Legitimists plot a coup against Horthy in west Hungary
 * 20 October - Charles IV returns to Hungary for the second time via airplane landing at Dénesfa at the Cziráky estates
 * 22 October - 04:30 - Telegraph notifies the Government about Charles IV's return
 * 23-24 October - Battle of Budaörs, Charles IV halted before entering Budapest
 * 24 October - Czechoslovakia and Kingdom of Serbs, Croats and Slovenes issue an ultimatum to Hungary to resist and overthrow the Habsburgs, threaten military intervention.
 * 25 October - II. Army of Lajtabánság under Miklós Budaházy enters the Sopron plebiscite zone with 400 men and overthrows the legitimist government.
 * 27 October - 6/II Infantry Battalion replaces paramilitaries in Sopron
 * 31 October - Prónay and his officers summoned to Horthy in person, ordered the evacuation of Lajtabánság by 5 November

November

 * 1 November - Charles IV leaves Hungary for the last time
 * 5 November - Rongyos Gárda leaves Burgerland, Lajtabánság dissolved
 * 6 November - The People's Assembly dethrones the House of Habsburg-Lorraine (1921:XLVII Act)
 * 11 November - Inter-Allied General Committee, after notified by Hungary that the paramilitaries were evacuated, orders Austria to take control of Burgerland, except for the Sopron plebiscite zone.
 * 13-15 November - Austria takes over North Burgerland (north of Sopron)
 * 19 November - Charles IV arrives to Madeira
 * 25-29 November - Austria takes over Central and South Burgerland (south of Sopron)

December

 * 2 December - Austrian, Hungarian and Entente authorities sign a protocol on the completed handover of Burgerland.
 * 14-16 December - Sopron Plebiscite: Sopron votes to stay in Hungary
 * 15-16 December - Czechoslovakia and Austria sign a pact of friendship and co-operation
 * 20 December - Council of Ambassadors accepts the result of the plebiscite
 * 22 December -
 * Bethlen-Peyer Pact between the Bethlen Government and the Social Democratic Party
 * 1921:LIII. Act, establishment of levente organisations
 * 23 December - Amnesty for political prisoners sentenced below 5 years

Deaths

 * 7 March - Karl Tersztyánszky von Nádas
 * 8 August - Károly Haggenmacher
 * 26 August - Sándor Wekerle
 * 18 October - Ludwig III of Bavaria
 * 31 December - József Kiss