What happened December 1918 AD

On 1 December, the Union of Transylvania with Romania was officiated by the elected representatives of the Romanian people of Transylvania, who proclaimed a union with Romania. Later the Transylvanian Saxons and Banat Swabians also supported the union.

Later, Romanian units reached the line of the Maros (Mureş) River. This was a demarcation line agreed upon by the representatives of the Allied powers and Hungary at the Armistice of Belgrade. At the same time units of the German army, under the command of Marshal August von Mackensen, retreated to the west.

On 1 December 1918, three weeks later, he returned to his father's house in the Dordogne to be reunited with his three brothers, who had all served in the army and survived the war.

Public health officials start instruction projects and exposure about perils of hacking and wheezing; thoughtless removal of "nasal releases."

Lt. Hasan Maruf of the Ottoman army describes how a population of a village were taken all together and then burned. The Commander of the Third Army Vehib's 12-page affidavit, which was dated 5 December 1918, was presented in the Trebizond (Trabzon) trial series (29 March 1919) included in the Key Indictment, reporting such a mass burning of the population of an entire village near Muş: "The shortest method for disposing of the women and children concentrated in the various camps was to burn them".

The discovery of Planck's constant enabled him to define a new universal set of physical units (such as the Planck length and the Planck mass), all based on fundamental physical constants upon which much of quantum theory is based. In recognition of Planck's fundamental contribution to a new branch of physics, he was awarded the Nobel Prize in Physics for 1918 (he actually received the award in 1919).

In late 1918, Allied troops entered Germany and began the occupation.

In late 1918, American, Belgian, British, and French troops entered the Rhineland to enforce the armistice. Before the treaty, the occupation force stood at roughly 740,000 men.

In the December 1918 election, the republican party Sinn Féin won a landslide victory in Ireland.

With the war over, Lloyd George called a general election with voting on Saturday, 14 December 1918.

In November 1918, while Himmler was still in training, the war ended with Germany's defeat, denying him the opportunity to become an officer or see combat. After his discharge on 18 December, he returned to Landshut. After the war, Himmler completed his grammar-school education.

Trabzon was the main city in Trabzon province; Oscar S. Heizer, the American consul at Trabzon, reported: "This plan did not suit Nail Bey ... Many of the children were loaded into boats and taken out to sea and thrown overboard". Hafiz Mehmet, a Turkish deputy serving Trabzon, testified during a 21 December 1918 parliamentary session of the Chamber of Deputies that "the district's governor loaded the Armenians into barges and had them thrown overboard".

On 24 December, units of the Romanian Army entered Kolozsvár.