Use only ONE image at a time

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  Giuseppe Piazzi
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  St. Patrick's Cross
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  The original Union Flag in 1606
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  Fulgencio Batista
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  Che Guevara and Fidel Castro
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  Satellite photo of Bouvet Island
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  Clock depicting the Unix billennium, 2001
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  Ceres
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  Ellis Island
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  Arrokoth
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  "Am I not a man and a brother", emblem used by abolitionists
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  Lachlan Macquarie
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  Air India Flight 855 aircraft

• 417 – Galla Placidia was forced by her brother Honorius into marriage with Constantius III, his magister militum.
• 1068 – Having been pardoned by Eudokia Makrembolitissa, the regent of the Byzantine Empire, for attempting to usurp the throne, Romanos IV Diogenes married her to become Byzantine emperor.
• 1739 – Bouvet Island in the South Atlantic Ocean, the most remote island in the world, was discovered by French explorer Jean-Baptiste Charles Bouvet de Lozier.
• 1773 – The hymn "Amazing Grace" was probably first used in a prayer meeting in Olney, England, without the music familiar to modern listeners.
• 1725 – J. S. Bach led the first performance of his chorale cantata Jesu, nun sei gepreiset, which features trumpet fanfares at the start and end.
• 1800 – Quasi-War: An American convoy of four merchant vessels escorted by a schooner was attacked by a squadron of armed barges manned by Haitians.
• 1801 – Italian astronomer Giuseppe Piazzi discovered the dwarf planet Ceres, naming it after the Roman goddess of agriculture and of motherly love.
• 1808 – As a result of the lobbying efforts by the abolitionist movement (emblem pictured), the importation of slaves into the United States was officially banned, although slavery itself remained permitted.
• 1810 – Lachlan Macquarie (pictured) became Governor of New South Wales, eventually playing a major role in the social, economic and architectural development of the colony in Australia.
• 1892 – The immigration station on Ellis Island (pictured) in New York Harbor opened, and would process almost 12 million immigrants to the United States over the course of its existence.
• 1914 – The St. Petersburg–Tampa Airboat Line in the U.S. state of Florida became the first scheduled airline using a winged aircraft.
• 1915 – Russia withdraws from its occupation of northwestern Iran, enabling a subsequent Ottoman invasion and massacres of Assyrians and Armenians.
• 1928 – Joseph Stalin's personal secretary, Boris Bazhanov, crossed the Iranian border and defected from the Soviet Union.
• 1945 – World War II: In retaliation for the massacre of captured Americans by Waffen SS soldiers, U.S. Army personnel killed an estimated 80 Wehrmacht prisoners near Chenogne, Belgium.
• 1945 – Second World War: The Luftwaffe launched Operation Bodenplatte in an attempt to cripple Allied air forces in the Low Countries.
• 1948 – British Railways came into existence when the "Big Four" railway companies were nationalised.
• 1957 – The revised Thai criminal code came into force, strengthening the law on lèse-majesté in Thailand to include insult and treating it as a crime against national security.
• 1960 – Three men were killed and two wounded in a mass shooting at a public house in Sheffield, England.
• 1965 – The People's Democratic Party of Afghanistan, which later helped the country become a republic, was founded.
• 1978 – Air India Flight 855 (aircraft pictured) crashed into the Arabian Sea seconds after take-off, killing all 213 people.
• 1994 – The revolutionary leftist Zapatista Army of National Liberation initiated twelve days of armed conflict in the Mexican state of Chiapas.
• 1995 – The World Trade Organization, the international organization designed to supervise and liberalize international trade, came into being, replacing the General Agreement on Tariffs and Trade.
• 1998 – Argentinian physicist Juan Maldacena published a landmark paper initiating the study of AdS/CFT correspondence, which links string theory and quantum gravity.
• 2007 – Adam Air Flight 574 crashed into the sea off Polewali, Indonesia, killing all 102 people on board, when the pilots inadvertently disconnected the autopilot.
• 2010 – A suicide bomber killed 105 spectators at a volleyball game in the Lakki Marwat District of Pakistan.
• 2019 – The NASA space probe New Horizons flew by the trans-Neptunian object Arrokoth, making it the farthest object visited by a spacecraft.

• Born/died this day: | Henry of Marcy |d|1189| Lorenzo de' Medici |b|1449|Betsy Ross |b|1752|Maria Edgeworth |b|1768| Marie-Louise Lachapelle |b|1769| Eugène-Anatole Demarçay |b|1852| Alfred Ely Beach |d|1896| Bhaktisiddhanta Sarasvati |d|1937| Gary Johnson |b|1953| Vidya Balan |b|1979| Betty Archdale |d|2000| Tusse |b|2002| Shirley Chisholm |d|2005| Lhasa de Sela |d|2010|Nay Win Maung |d|2012

• MV Senopati Nusantara appears on December 30, so Adam Air Flight 574 should not appear soon after.