21st December

World War II, or the Second World War, was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated, with many engaging in total war…

The Lancaster House Agreement is an agreement signed on 21 December 1979 in Lancaster House, following the conclusion of a constitutional conference where different parties discussed the future of…

Nepal, officially the Federal Democratic Republic of Nepal, is a landlocked country in South Asia. It is mainly situated in the Himalayas, but also includes parts of the Indo-Gangetic Plain. It…

The Iraq War, also referred to as the Second Gulf War, was a protracted armed conflict in Iraq from 2003 to 2011. It began with the invasion by a United States–led coalition, which resulted in the…

The Medal of Honor (MOH) is the highest military decoration of the United States Armed Forces and is awarded to recognize American soldiers, sailors, marines, airmen, guardians, and coast guardsmen…

Nora Helmer is a fictional character in Henrik Ibsen's 1879 play A Doll's House. She is introduced as a seemingly devoted wife and mother, living in a comfortable middle-class home with her husband…

The First Egyptian–Ottoman War or First Syrian War (1831–1833) was a military conflict between the Ottoman Empire and Egypt brought about by Muhammad Ali Pasha's demand to the Sublime Porte for…

Pan Am Flight 103 was a regularly scheduled Pan Am transatlantic flight from Frankfurt to Detroit via a stopover in London and another in New York City. Shortly after 19:00 on 21 December 1988, the…

The moment magnitude scale is a measure of an earthquake's magnitude based on its seismic moment. Mw was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori. Before Hanks and Kanamori…

The Apollo program, also known as Project Apollo, was the United States human spaceflight program led by NASA, which landed the first humans on the Moon in 1969. Apollo was conceived in 1960 in the…

On 21 December 2023, a mass shooting occurred at Charles University's Faculty of Arts main building in central Prague, Czech Republic. A lone gunman, 24-year-old postgraduate student David Kozák,…

The siege of Weinsberg took place in 1140 in Weinsberg, in the modern state of Baden-Württemberg, Germany, which was then part of the Holy Roman Empire. The siege was a decisive battle between two…

Giovanni Boccaccio was an Italian writer, poet, correspondent of Petrarch, and an important Renaissance humanist. Born in the town of Certaldo, he became so well known as a writer…

Marguerite de Navarre, also known as Marguerite of Angoulême and Margaret of Navarre, was a princess of France, Duchess of Alençon and Berry, and Queen of Navarre by her second…

Sun Sheng (孫晟), né Sun Feng (孫鳳), known as Sun Ji (孫忌) at one point, formally Duke Wenzhong of Lu (魯文忠公), was an official of the Chinese Five Dynasties and Ten Kingdoms Period…

Carl Van Vechten was an American writer and artistic photographer who was a patron of the Harlem Renaissance and the literary executor of Gertrude Stein. He gained fame as a…

Kitaōji Rosanjin was the pseudonym for a noted artist and epicure during the early to mid-Shōwa period of Japan. His real name was Kitaōji Fusajirō , but he is best known by his…