By resolution 836(IX) of 14 December 1954, the General Assembly recommended that all countries institute a Universal Children's Day, to be observed as a day of worldwide fraternity and understanding between children. It recommended that the Day was to be observed also as a day of activity devoted to promoting the ideals and objectives of the Charter and the welfare of the children of the world. The Assembly suggested to governments that the Day be observed on the date and in the way which each considers appropriate. The date 20 November, marks the day on which the Assembly adopted the Declaration of the Rights of the Child, in 1959, and the Convention on the Rights of the Child, in 1989.

In 2000 world leaders outlined the Millennium Development Goals (MDGs) – which range from halving extreme poverty to halting the spread of HIV/AIDS and providing universal primary education, all by the target date of 2015. Though the Goals are for all humankind, they are primarily about children. UNICEF notes that six of the eight goals relate directly to children and meeting the last two will also make critical improvements in their lives.

November 20 : Africa Industrialization Day

Within the framework of the Second Industrial Development Decade for Africa (1991-2000), the UN General Assembly, in 1989, proclaimed 20 November Africa Industrialization Day (resolution 44/237). The Day is intended to mobilize the commitment of the international community to the industrialization of Africa.

Secretary-General Ban Ki-moon states in his 2009 message for the Day that "the African economy, like the rest of the world economy, continues to feel the impact of the global economic and financial crisis", but notes that to benefit from a recovery, "the continent must focus on industrialization as a critical engine of economic growth and development".

November 20 : World Day of Remembrance for Road Traffic Victims

Road traffic crashes kill nearly 1.3 million people every year and injure or disable as many as 50 million more. They are the leading cause of death among young people aged 10–24 years.

In October 2005, the United Nations General Assembly adopted a resolution which calls for governments to mark the third Sunday in November each year as World Day of Remembrance for Road Traffic Victims. The day was created as a means to give recognition to victims of road traffic crashes and the plight of their relatives who must cope with the emotional and practical consequences of these tragic events.

WHO and the UN Road Safety Collaboration encourage governments and nongovernmental organizations around the world to commemorate this day as a means of drawing the public’s attention to road traffic crashes, their consequences and costs, and the measures which can be taken to prevent them.

November 20 : Child Rights day

The date 20 November marks the day on which the Assembly adopted the Declaration of the Rights of the Child, in 1959, and the Convention on the Rights of the Child, in 1989.

The Convention on the Rights of the Child (CRC) is the most widely ratified human rights treaty in the world. Today, 193 states have ratified the CRC. In fact, only two countries in the world — Somalia and the United States — have not yet given the CRC legal force, although both have signed it.

The situation for children in Somalia is worried; following the worst violence in the country for close to two decades and many children are currently living in IDP camps inside and outside the country without education, good health and shelter.

An increasing number of Somali children are being recruited by the Somali armed forces or militia groups in violation of international law particularly for those underage and many of the children are joining because their families are unable to provide for them on the other hand some of children are keen on to be prominent gangsters so as to maintain their existence.

Events

284 – Diocletian is chosen as Roman Emperor.
762 – During An Shi Rebellion, Tang Dynasty, with the help of Huihe tribe, recaptured Luoyang from the rebels.
1194 – Palermo is conquered by Emperor Henry VI.
1407 – A truce between John the Fearless, Duke of Burgundy and Louis of Valois, Duke of Orléans is agreed under the auspices of John, Duke of Berry. Orléans would be assassinated three days later by Burgundy.
1695 – Zumbi, the last of the leaders of Quilombo dos Palmares in early Brazil, is executed by the forces of Portuguese bandeirante Domingos Jorge Velho.
1739 – Start of the Battle of Porto Bello between British and Spanish forces during the War of Jenkins' Ear.
1789 – New Jersey becomes the first U.S. state to ratify the Bill of Rights.
1820 – An 80-ton sperm whale attacks the Essex (a whaling ship from Nantucket, Massachusetts) 2,000 miles from the western coast of South America (Herman Melville's 1851 novel Moby-Dick is in part inspired by this story).
1845 – Anglo-French blockade of the Río de la Plata: Battle of Vuelta de Obligado.
1861 – American Civil War: Secession ordinance is filed by Kentucky's Confederate government.
1910 – Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosi, denouncing President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
1917 – World War I: Battle of Cambrai begins – British forces make early progress in an attack on German positions but are later pushed back.
1917 – Ukraine is declared a republic.
1923 – Rentenmark replaces the Papiermark as the official currency of Germany at the exchange rate of one Rentenmark to One Trillion (One Billion on the long scale) Papiermark
1936 – José Antonio Primo de Rivera, founder of the Falange, is killed by a republican execution squad.
1940 – World War II: Hungary becomes a signatory of the Tripartite Pact, officially joining the Axis Powers.
1943 – World War II: Battle of Tarawa (Operation Galvanic) begins – United States Marines land on Tarawa Atoll in the Gilbert Islands and suffer heavy fire from Japanese shore guns and machine guns.
1945 – Nuremberg Trials: Trials against 24 Nazi war criminals start at the Palace of Justice at Nuremberg.
1947 – The Princess Elizabeth marries Lieutenant Philip Mountbatten at Westminster Abbey in London.
1952 – Slánský trials – a series of Stalinist and anti-Semitic show trials in Czechoslovakia.
1962 – Cuban Missile Crisis ends: In response to the Soviet Union agreeing to remove its missiles from Cuba, U.S. President John F. Kennedy ends the quarantine of the Caribbean nation.
1969 – Vietnam War: The Plain Dealer publishes explicit photographs of dead villagers from the My Lai massacre in Vietnam.
1974 – The United States Department of Justice files its final anti-trust suit against AT&T. This suit later leads to the breakup of AT&T and its Bell System.
1977 – Egyptian President Anwar Sadat becomes the first Arab leader to officially visit Israel, when he meets Israeli prime minister Menachem Begin and speaks before the Knesset in Jerusalem, seeking a permanent peace settlement.
1979 – Grand Mosque Seizure: About 200 Sunni Muslims revolt in Saudi Arabia at the site of the Kaaba in Mecca during the pilgrimage and take about 6000 hostages. The Saudi government receives help from French special forces to put down the uprising.
1980 – Lake Peigneur drains into an underlying salt deposit. A misplaced Texaco oil probe had been drilled into the Diamond Crystal Salt Mine, causing water to flow down into the mine, eroding the edges of the hole. The resulting whirlpool sucked the drilling platform, several barges, houses and trees thousands of feet down to the bottom of the dissolving salt deposit.
1985 – Microsoft Windows 1.0 is released.
1989 – Velvet Revolution: The number of protesters assembled in Prague, Czechoslovakia swells from 200,000 the day before to an estimated half-million.
1991 – An Azerbaijani MI-8 helicopter carrying 19 peacekeeping mission team with officials and journalists from Russia, Kazakhstan and Azerbaijan is shot down by Armenian military forces in Khojavend district of Azerbaijan.
1992 – In England, a fire breaks out in Windsor Castle, badly damaging the castle and causing over £50 million worth of damage.
1993 – Savings and loan crisis: The United States Senate Ethics Committee issues a stern censure of California senator Alan Cranston for his "dealings" with savings-and-loan executive Charles Keating.
1994 – The Angolan government and UNITA rebels sign the Lusaka Protocol in Zambia, ending 19 years of civil war (localized fighting resumes the next year).
1998 – A court in Taliban-controlled Afghanistan declares accused terrorist Osama bin Laden "a man without a sin" in regard to the 1998 U.S. embassy bombings in Kenya and Tanzania.
1998 – The first module of the International Space Station, Zarya, is launched.
2001 – In Washington, D.C., U.S. President George W. Bush dedicates the United States Department of Justice headquarters building as the Robert F. Kennedy Justice Building, honoring the late Robert F. Kennedy on what would have been his 76th birthday.
2003 – After the November 15 bombings, a second day of the 2003 Istanbul Bombings occurs in Istanbul, Turkey, destroying the Turkish head office of HSBC Bank AS and the British consulate.
2008 – After critical failures in the US financial system began to build up after mid-September, the Dow Jones Industrial Average reaches its lowest level since 1997.

Holidays and observances

Christian Feast Day:
Bernward of Hildesheim
Edmund the Martyr (Church of England)
November 20 (Eastern Orthodox liturgics)
Black Awareness Day (Brazil)
Day of National Sovereignty (Argentina)
Earliest day on which the Feast of Christ the King can fall, while November 26 is the latest; celebrated on the last Sunday before Advent. (Roman Catholic Church)
Revolution Day (Mexico)
Teacher's Day or Ngày nhà giáo Việt Nam (Vietnam)
Transgender Day of Remembrance (LGBT community)
Universal Children's Day (International)
Wedding day of Queen Elizabeth II, official flag day. (United Kingdom)

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