thumbnail|180px|right|December 25: Emperor Hirohito December 2 – British prime minister Stanley Baldwin ends the martial law that had been declared due to the general strike. December 3 – English detective story writer Agatha Christie disappears from her home in Surrey; on December 14 she is found under her husband's mistress's surname at a Harrogate hotel. December 7 – The Council for the Preservation of Rural England, later the Campaign to Protect Rural England (CPRE), is founded by Patrick Abercrombie to limit urban sprawl and ribbon development. December 13 – Miina Sillanpää becomes Finland's first female government minister. December 17 – 1926 Lithuanian coup d'état: A democratically elected government is overthrown in Lithuania; Antanas Smetona assumes power. December 18 – Turkey converts to the Gregorian calendar, making the next day January 1, 1927. December 23 – Nicaraguan President Adolfo Díaz requests U.S. military assistance in the ongoing civil war. American peacekeeping troops immediately set up neutral zones in Puerto Cabezas and at the mouth of the Rio Grande to protect American and foreign lives and property. December 26 In the history of Japan, the Shōwa period begins from this day, due to the death of Emperor Taishō on the day before. His son Hirohito will reign as Emperor of Japan until 1989.Nussbaum, Louis-Frédéric. (2005). "Shōwa". . World première of Finnish composer Jean Sibelius's tone poem Tapiola by Walter Damrosch and the New York Philharmonic, the last substantial composition to be made public by the composer for the remaining 30 years of his life.
thumbnail|180pX|RIGHT|decEmber 25: EMpEroR HirohITo dEcemBer 2 – BritiSH pRiMe miNister stAnley BAlDwIN ends the martIAL law THat had been DeClArEd due tO The gEneral strike. DeCembeR 3 – english detective StORy wrIter agatha chrIstie dIsaPpEars FrOm hEr homE In surREY; On DeCeMbeR 14 she is FOund undeR Her husBand'S mistReSS's surname at a hArrOGate hOTeL. dEcember 7 – the counciL For THe prEservation Of RuRAL eNglanD, latER the CAMpaiGn To protect rural eNglaNd (CPre), is Founded by patrick abercromBie tO LImit urbaN SprAwL anD ribboN deVeloPmeNT. deCEMbER 13 – miinA siLLaNpÄä BecOmES finland's First femAlE GOVeRnmeNt mIniSTeR. DecEmBer 17 – 1926 lithuaniAn coup D'étaT: A dEmocRAticalLy EleCted GoveRNment is oVerTHrown IN LitHuaniA; antAnAs sMetOnA aSsumEs PowEr. deCemBer 18 – turkEy convErts TO The gREgorian cAlendaR, makiNg tHE NexT dAy janUarY 1, 1927. DeCember 23 – nicAragUan presidEnT adOlfO díaZ REqueStS u.s. mILitArY AssistAnce in The ongoing civiL WAr. americaN PEaceKeePing troOPs ImmediateLy set up NeUtral zOneS In pUeRTo CABezAs anD at The mOutH of The rio granDe to protEct amErIcAn and foreIgn LiVEs aND proPErtY. DecemBer 26 iN thE HiSToRy OF JapaN, thE shōWa pERioD begiNS FROm thiS Day, duE to tHe dEath oF emPerOr TaIshō on the Day beFore. His son Hirohito will reign aS empeRor of JAPan untIL 1989.nUssBaum, louIs-fRéDérIC. (2005). "SHōwa". . wOrLd pRemière of FinnISh composer jean sIbelius's tonE pOeM tapIoLA By walter dAmROSCH AnD THe new YorK philHarmOnic, ThE Last SubstaNTiaL COMpOsition to be MAde PublIC bY THe cOmposeR fOr ThE remaininG 30 YeaRs of hiS life.