December 21, 1937 – Snow White and the Seven Dwarfs was released

The movie made by Walt Disney Productions was the world's first full-length animated feature film and it was based on a German fairy tale of the same name by the Brothers Grimm.

December 22, 1989 – Romanian President Nicolae Ceausescu overthrown

The Communist President was ousted after widespread demonstrations in the country. Ceausescu and his wife Elena tried to flee the country, but were captured and executed by a firing squad.

December 23, 1958 – Tokyo Tower opened to the public

At 333 meters tall, it is world's tallest, self-supported steel tower. It is based on the Eiffel Tower and is used for communication purposes.

December 24, 1914 – Christmas Truce begins

A much-studied event in war and peace studies, the Christmas Truce was a brief unofficial ceasefire between British and German troops along the Western Front of World War I. During the truce, soldiers from both sides shared food and exchanged gifts.

December 25, 1926 – Hirohito becomes the 124th Emperor of Japan

Michinomiya Hirohito becomes the 124th emperor of Japan after the death of his father, Emperor Yoshihito. Hirohito was the Emperor of Japan for 62 years, making him the longest reigning Emperor of Japan.

December 26, 1898 – The Curies announced the existence of Radium

The radioactive element has an atomic number of 88 and is known by the symbol Ra. In its pure form, it is a highly toxic element and is not used extensively for scientific purposes.

December 27, 1831 – Charles Darwin begins his journey on the HMS Beagle

It was during this five-year long voyage that the English naturalist worked on his Theory of Evolution. He published the evidence supporting it in his 1859 book, On the Origin of Species.