March 20 in History

Romen Theatre in Moscow, Russia, is the oldest and the most famous of Romani theatres in the world. The theatre is a key object of Romani culture in Russia, and from the moment of its foundation in 1931, it has been a centre of attraction for Romani artists in Russia.

The Guangxu Emperor, also known by his temple name Emperor Dezong of Qing, personal name Zaitian, was the tenth emperor of the Qing dynasty, and the ninth Qing emperor to rule over China proper. His succession was endorsed by dowager empresses Ci'an and Cixi for political reasons after the Tongzhi Emperor died without an heir. Cixi held political power for much of Guangxu's reign as regent, except for the period between his assumption of ruling powers in 1889 and the Hundred Days' Reform in 1898.

Song Jiaoren was a Chinese republican revolutionary, political leader and a founder of the Kuomintang (KMT). Song Jiaoren led the KMT to electoral victories in China's first democratic election. He based his appeal on the upper class gentry, landowners, and merchants. Historians have concluded that provisional president Yuan Shikai was responsible for his assassination on 22 March 1913.

Albert Einstein was a German-born theoretical physicist best known for developing the theory of relativity. Einstein also made important contributions to quantum theory. His mass–energy equivalence formula E = mc2, which arises from special relativity, has been called "the world's most famous equation". He received the 1921 Nobel Prize in Physics for "his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect".

USS Langley (CV-1/AV-3) was the United States Navy's first aircraft carrier, converted in 1920 from the collier USS Jupiter , and also the US Navy's first turbo-electric-powered ship. Langley was named after Samuel Langley, an American aviation pioneer. She was the sole member of her class to be rebuilt as a carrier. Conversion of another collier was planned but canceled when the Washington Naval Treaty required the cancellation of the partially built Lexington-class battlecruisers Lexington and Saratoga, freeing up their hulls for conversion into aircraft carriers. Following another conversion to a seaplane tender, Langley saw service in World War II. On 27 February 1942, while ferrying a cargo of USAAF P-40s to Java, she was attacked by nine twin-engine Japanese bombers of the Japanese 21st and 23rd naval air flotillas and so badly damaged that she had to be scuttled by her escorts.

Chiang Kai-shek was a Chinese military commander, revolutionary, and statesman who led the Republic of China (ROC) from 1928 until his death in 1975. His government was based in mainland China until it was defeated in the Chinese Civil War by Mao Zedong's Chinese Communist Party (CCP) in 1949, after which he continued to lead the ROC government on Taiwan.

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. Tanks and aircraft played major roles, the latter enabling the strategic bombing of cities and delivery of the only nuclear weapons used in war. World War II was the deadliest conflict in history, causing the death of 60 to 75 million people. Millions died as a result of massacres, starvation, disease, and genocides, including the Holocaust. After the Allied victory, Germany, Austria, Japan, and Korea were occupied, and German and Japanese leaders were tried for war crimes.

Fujiyoshida is a city located in Yamanashi Prefecture, Japan. As of 1 May 2019, the city had an estimated population of 48,782 in 19,806 households and a population density of 400 persons per km2. The total area of the city is 121.74 square kilometres (47.00 sq mi).

Tunisia, officially the Republic of Tunisia, is a country in the Maghreb region of North Africa. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia also shares maritime borders with Italy through the islands of Sicily and Sardinia to the north and Malta to the east. It features the archaeological sites of Carthage dating back to the 9th century BC, as well as the Great Mosque of Kairouan. Known for its ancient architecture, souks, and blue coasts, it covers 163,610 km2 (63,170 sq mi), and has a population of 12.1 million. It contains the eastern end of the Atlas Mountains and the northern reaches of the Sahara desert; much of its remaining territory is arable land. Its 1,300 km (810 mi) of coastline includes the African conjunction of the western and eastern parts of the Mediterranean Basin. Tunisia is home to Africa's northernmost point, Cape Angela. Located on the northeastern coast, Tunis is the capital of the country, which is itself named after Tunis. The official language of Tunisia is Arabic. The vast majority of Tunisia's population is Arab and Muslim. Vernacular Tunisian Arabic is the most spoken language, and French serves as an administrative and educational language in some contexts, but has no official status.

EgyptAir is the state-owned flag carrier of Egypt. The airline is headquartered at Cairo International Airport, its main hub, operating scheduled passenger and freight services to 81 destinations in Africa, Europe, Asia, and the Americas, as of 2022. Egyptair is a member of Star Alliance.

Liberty Clarissa "Libby" Riddles is an American dog musher, and the first woman to win the Iditarod Trail Sled Dog Race.

The Eritrean War of Independence was an armed conflict and insurgency aimed at achieving self-determination and independence for Eritrea from Ethiopian rule. Starting in 1961, Eritrean insurgents engaged in guerrilla warfare to liberate Eritrea Province from the rule of the Ethiopian Empire under Haile Selassie and later the Derg under Mengistu Haile Mariam. Their efforts ultimately succeeded in 1991 with the fall of the Derg regime.

The Troubles were an ethno-nationalist conflict in Northern Ireland that lasted for about 30 years from the late 1960s to 1998. Also known internationally as the Northern Ireland conflict, it began in the late 1960s and is usually deemed to have ended with the Good Friday Agreement of 1998. Although the Troubles mostly took place in Northern Ireland, at times violence spilled over into parts of the Republic of Ireland, England, and mainland Europe.

Legoland California Resort is a theme park in Carlsbad, California, United States, about 35 miles north of San Diego. Opening on March 20, 1999, it was the first Legoland park to open outside of Europe. It has over 60 rides, shows, and attractions, plus a water park, an aquarium and two hotels. The park is currently owned by Merlin Entertainments, which took a controlling interest in 2005. The second park in the United States is Legoland Florida, which opened in 2011. A third park, Legoland New York, opened in May 2021.

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 overthrow of the Ba'athist government of Saddam Hussein. During the US occupation of Iraq, the conflict persisted as an insurgency that arose against coalition forces and the newly established Iraqi government. US forces were officially withdrawn in 2011. In 2014, the US became re-engaged in Iraq, leading a new coalition under Combined Joint Task Force – Operation Inherent Resolve, as the conflict evolved into the ongoing Islamic State insurgency.

Eyjafjallajökull, sometimes referred to by the numeronym E15, is one of the smaller ice caps of Iceland, north of Skógar and west of Mýrdalsjökull. The ice cap covers the caldera of a volcano with a summit elevation of 1,651 metres (5,417 ft). The volcano has erupted relatively frequently since the Last Glacial Period, most recently in 2010, when, although relatively small for a volcanic eruption, it caused enormous disruption to air travel across northern and western Europe for a week.

The Taliban, officially known as the Islamic Movement of Taliban, also referring to themselves by their state name, the Islamic Emirate of Afghanistan, is an Afghan political and militant organization with an ideology comprising elements of the Deobandi movement of Islamic fundamentalism and Pashtun nationalism. It ruled approximately 90% of Afghanistan from 1996 to 2001, before it was overthrown by an American-led invasion after the September 11 attacks carried out by the Taliban's ally al-Qaeda. Following a 20-year insurgency and the departure of coalition forces, the Taliban recaptured Kabul in August 2021, overthrowing the Islamic Republic, and now controls all of Afghanistan. The Taliban has been condemned for restricting human rights, including women's rights to work and have an education, and for the persecution of ethnic minorities. It is designated as a terrorist organization by several countries, and the Taliban government is largely unrecognized by the international community.

Kassym-Jomart Kemeluly Tokayev is a Kazakh politician and diplomat who has served as the second president of Kazakhstan since 2019. He previously served as Prime Minister from 1999 to 2002 and as Chairman of the Senate from 2007 to 2011 and again from 2013 to 2019. Tokayev also held the position of Director-General of the United Nations Office at Geneva from 2011 to 2013.