The International Workers' Day on May 1 every year commemorates the historic struggle of working people throughout the world.

The day had its origins in the 1880s in the United States, with the fight for an eight-hour work day; in 1884, the Federation of Organised Trades and Labor Unions passed a resolution stating that eight hours would constitute a legal day's work from and after May 1, 1886.

1984 U.S. performs nuclear test at Nevada Test Site 1985 U.S. performs nuclear test at Nevada Test Site, 1991 Pope John Paul II's encyclical on Centesimus annus

1997 Mercury Mail announces its 1 millionth internet subscriber

The World Press Freedom Day is celebrated every year on 3 May globally; the UN General Assembly proclaimed the day in 1993.

Its objectives are multi-pronged — it is an opportunity to celebrate the fundamental principles of press freedom; to evaluate press freedom, to defend the media from attacks on their independence and to pay tribute to journalists who have lost their lives in the line of duty.

May 15: Nuclear Non-Proliferation Treaty countries meet to prepare for key 2010 conference, at New York.

1979 Masterpiece Radio Theater begins broadcasting

1987 France performs nuclear test at Muruora Island

1994 North-Yemen air force bombs Aden South Yemen

1994 Labour beats Conservatives in British local elections

1995 Last basketball game at Boston Gardens (Magic beats Celtics)

1963 Pulitzer prize awarded to Barbara Tuchman (Guns of August)

1987 U.S.S.R. performs nuclear test at Semipalitinsk, Eastern Kazakhstan U.S.S.R.

1991 Space Shuttle STS-39 (Discovery 12) lands

1994 Nelson Mandela and his ANC, finally confirmed winners in South Africa

This day in History:
1914 U.S. Congress establishes mother's day

1955 West Europe Union established

1975 Small Astronomy Satellite Explorer 53 launched to study X-rays

1982 IBM releases PC-DOS version 1.1

2002 China Northern Airlines flight 6163 crashes in the ocean near Dalian, China after a fire is reported onboard, killing 112

1962 London trolley buses go out of service

1980 World Health Organization announced smallpox had been eradicated

1985 France performs nuclear test at Muruora Island

1988 Francois Mitterrand elected president of France

One of the greatest spiritual teachers of mankind, Lord Buddha, passed into eternity after completing his Sahasra Chandra Darshana i.e., 1000 full moon days (80th year) on the full moon day of Vaishaakha - the day of his birth as also of his Enlightenment. This day is celebrated as Buddha Purnima.

Some believe that Mother's Day emerged from a custom of mother worship in ancient Greece, which celebrated a festival in honour of Cybele, a mother of Greek gods. The modern Mother's Day came into being as a day for each family to honour mothers. mother.

1965 Bangladesh windstorm kills 17,000

1965 1st of 2 cyclones in less than a month kills 35,000 (India)

1989 President Bush orders nearly 2,000 troops to Panama

1925 Uzbekistan and Kirgizistan become autonomous Soviet republics

1930 Pulitzer prize awarded to Marc Connelly (Green Pastures)

1929 Pulitzer prize awarded to Julia Peterkin (Scarlet Sister Mary)

1928 Mussolini ends woman's rights in Italy

2008 8.0 Earthquake in southwest China kills more than 69,000

Electoral process for the fifth and last phase of Lok Sabha polls covering 86 constituencies spread over nine States and Union Territories will be held on May 13. Elections will be held for 39 seats in Tamil Nadu, 14 in Uttar Pradesh, 11 in West Bengal, nine in Punjab, five in Uttarakhand, four seats in Himachal Pradesh, two in Jammu and Kashmir, one each in Chandigarh and Puducherry.

1969 Abortion and contraception legalized in Canada

1981 NASA launches space vehicle S-192

1991 42 die in a train collision is Japan

1995 Dalai Lama proclaims 6-year-old Gedhun Choekyi Nyima 11th reincarnation of Panchen Lama, Tibet's 2nd most sr spiritual leader

Every year, May 15 is celebrated as the International Day of the Family highlighting the importance of families. It aims at fostering equality, bringing about a fuller sharing of domestic responsibilities and employment opportunities.

Results out for India's general election for the 15th Lok Sabha

Formerly called World Telecommunication Day, May 17 is observed as the World Information Society day, marking the founding of the International Telecommunication Union (ITU) on May, 17 May 1865. From the days of the telegraph through space-age communication, and now in cyberspace, ITU has helped to connect the world.

1990 2 Germanys sign a monetary union treaty

1991 U.S.S.R. launches 2 cosmonauts to MIR space station

1994 Israel withdraws from the Gaza Strip

1928 Explosion in coal mine in Mather, Pennsylvania, 195 die

1939 Churchill signs British-Russian anti-nazi pact

1983 NASA launches Intelsat V

1825 Charles X becomes King of France

1992 India launches its 1st satellite independently

1994 Miss India (Sushmita Sen) selected Miss Universe

1997 Cosmos Zenit-2 Launch (Russia), Failed

Further to the adoption of the Universal Declaration on Cultural Diversity by UNESCO on November 2001, the UN General Assembly proclaimed May 21 as the World Day for Cultural Diversity for Dialogue and Development. The day provides an opportunity to deepen the understanding of the values of cultural diversity and to learn to "live together" better.

The International Day for Biological Diversity (or World Biodiversity Day) is a United Nations-sanctioned international holiday for the promotion of biodiversity issues, held on May 22. From its creation by the Second Committee of the UN General Assembly in 1993 until 2000, it was held on December 29 to celebrate the day the Convention on Biological Diversity went into effect. In December 2000, the date was shifted to commemorate the adoption of the Convention on May 22, 1992 at the Rio Earth Summit, and partly to avoid the many other holidays that occur in late December.

1945 Winston Churchill resigns as British PM

1994 270 pilgrims dies in bustle round Mina Saudi-Arabia

1964 Panic in Lima Peru soccer stadium, kills 300

1971 A commuter bus plunges into Panama Canal, killing 38 of 43 aboard

1980 Iran rejects a call to World Court to release U.S. hostages

1985 Cyclone ravages Bangladesh; 11,000 killed

2008 NASA's Phoenix spacecraft lands in the polar region on Mars

1896 Last Czar of Russia, Nicholas II, crowned

1943 1st president of a black country to visit U.S. (Edwin Barclay, Liberia)

1983 NASA launches Exosat, satellite to study the Universe at X-ray wavelengths

1987 Great offensive against Tamil-rebellion in Jaffra Sri Lanka

1997 Russian President Boris Yeltsin signs a historic treaty with NATO

2006 Java, Indonesia suffers a 6.3 magnitue earthquake, killing more than 6,000

1963 Cyclone hits Chittagong, Bangladesh; about 1 million houses destroyed

1964 Jawaharlal Nehru cremated in New Delhi

1993 200,000 demonstrate against mafia terror

1995 Earthquake hits Russian town of Khabarovsk, killing 2,000 people

1998 Pakistan tests underground nuclear weapons, sparking fears of a nuclear conflict with India

The UN General Assembly designated May 29 as the International Day of United Nations Peacekeepers, to pay tribute to all the men and women who have served and continue to serve in United Nations peacekeeping operations for their high level of professionalism, dedication and courage, and to honour the memory of those who have lost their lives in the cause of peace.

1990 135 die in a (6.4) earthquake in Peru

1998 Earthquake kills about 5,000 in northern Afghanistan

Tobacco use is the second cause of death globally and is currently responsible for killing one in 10 adults worldwide. WHO created the World No Tobacco Day in 1987 to draw global attention to the tobacco epidemic, its lethal effects and advocate for effective policies to reduce consumption.