Anti-Bullying Day(United Nations)
A UN observance dedicated to raising global awareness of bullying and promoting safe, inclusive environments.
Anti-Bullying Day, observed annually on May 4 under the auspices of the United Nations, highlights the global challenge of bullying in schools, workplaces, and online.
It encourages governments, organizations, and individuals to adopt measures that prevent bullying and support victims.
The day promotes education, open dialogue, and anti-bullying campaigns aimed at creating safe spaces for all.
Activities include workshops, social media campaigns using #StopBullying, and community outreach programs.
By uniting voices worldwide, Anti-Bullying Day strives to foster empathy, respect, and understanding among people of all ages.
Anti-Bullying Day
United Nations
Bird Day(United States)
An annual U.S. observance celebrating birds and raising awareness of their conservation and well-being.
Bird Day, first established in 1894 by ornithologist Charles Babcock, is celebrated each May 4 in the United States.
It aims to educate the public about the importance of birds in ecosystems and the need to protect their habitats.
Schools, nature centers, and wildlife organizations host birdwatching events, lectures, and art contests to engage communities.
The day underscores threats such as habitat loss, climate change, and pollution that endanger bird populations.
Through citizen science projects and conservation initiatives, Bird Day inspires people to become stewards of avian biodiversity.
Bird Day
United States
Cassinga Day(Namibia)
A national day commemorating the victims of the 1978 Cassinga massacre and honoring the struggle for Namibian independence.
Cassinga Day marks the anniversary of the Cassinga airstrike carried out on May 4, 1978, by South African forces.
The attack targeted SWAPO refugees and Namibian workers, resulting in the deaths of hundreds of civilians.
This solemn day honors those who lost their lives while highlighting the broader fight for Namibia's liberation from apartheid rule.
Ceremonies at memorial sites include laying wreaths, military parades, and speeches by government and community leaders.
Cassinga Day serves as a reminder of the sacrifices made on the path to Namibia's independence, achieved in 1990.
Cassinga Day
Namibia
Christianfeast day:
BlessedCeferino Giménez Malla, BlessedMichał Giedroyć, English Saints and Martyrs of the Reformation Era(Church of England), F. C. D. Wyneken(Lutheran Church–Missouri Synod), Florian, José María Rubio, Judas Cyriacus, Monica of Hippo(1960 Roman Catholic Calendar), Sacerdos of Limoges, Venerius of Milan, May 4 (Eastern Orthodox liturgics)
Various Christian denominations commemorate a host of saints and martyrs with feast days on May 4.
May 4 is observed in Christian liturgical calendars as a day to honor numerous saints and blesseds.
Roman Catholics remember figures such as Blessed Ceferino Giménez Malla, Blessed Michał Giedroyć, and José María Rubio.
The Church of England celebrates English Saints and Martyrs of the Reformation Era, while Lutherans honor F.C.D. Wyneken.
Eastern Orthodox communities mark commemorations for Judas Cyriacus, Sacerdos of Limoges, and Venerius of Milan.
Monica of Hippo and Saint Florian are also among those remembered, reflecting the rich diversity of Christian spirituality.
feast day
Ceferino Giménez Malla
Michał Giedroyć
English Saints and Martyrs of the Reformation Era
Church of England
F. C. D. Wyneken
Lutheran Church–Missouri Synod
Florian
José María Rubio
Judas Cyriacus
Monica of Hippo
1960 Roman Catholic Calendar
Sacerdos of Limoges
Venerius of Milan
May 4 (Eastern Orthodox liturgics)
Coal MinersDay (India)
An annual observance in India honoring the contributions and sacrifices of coal miners to the nation's energy sector.
Coal Miners Day is celebrated across India on May 4 to recognize the hard work and dedication of coal industry workers.
The day highlights the vital role coal mining plays in powering India's economy and supporting livelihoods.
Tributes are paid to miners who have lost their lives or suffered injuries in mining accidents.
Trade unions and mining companies organize ceremonies, safety seminars, and welfare activities for miners and their families.
Coal Miners Day raises awareness about mine safety, labor rights, and ongoing efforts to improve working conditions.
Coal Miners
India
Death of Milan Rastislav Štefánik Day(Slovakia)
A Slovak national day commemorating the death of Milan Rastislav Štefánik, a founding father of Czechoslovakia.
Milan Rastislav Štefánik, aviation pioneer, diplomat, and astronomer, died in a plane crash on May 4, 1919.
Štefánik was one of the key architects of Czechoslovakia's independence after World War I.
Slovakia observes this day with official ceremonies at his memorial in Bratislava's Slavín cemetery.
Events include wreath-laying, military honors, and public lectures on his scientific and political contributions.
The day celebrates Štefánik's enduring legacy as a national hero who bridged cultures and advanced his nation's cause.
Death of Milan Rastislav Štefánik Day
Slovakia
Greenery Day(Japan)
A Japanese public holiday celebrating nature, greenery, and the environment, observed on May 4.
Greenery Day is part of Japan's Golden Week holidays, dedicated to appreciating the natural world.
Originally marked as Emperor Shōwa's birthday, it emphasizes harmony between people and nature.
Citizens celebrate by visiting parks, botanical gardens, and participating in outdoor activities like tree planting.
Museums and environmental groups host exhibitions and workshops promoting conservation and sustainable living.
Greenery Day encourages reflection on environmental stewardship and the beauty of Japan's landscapes.
Greenery Day
Japan
International Firefighters' Day
A global observance honoring firefighters and commemorating their bravery and sacrifices.
International Firefighters' Day takes place on May 4 to recognize the courage and dedication of firefighters worldwide.
The date also honors Saint Florian, the patron saint of firefighters, whose feast falls on this day.
Fire stations open their doors to the public, offering demonstrations and educational events on fire safety.
Tributes are made to those who have died in the line of duty, including moments of silence and memorial services.
The day raises awareness of fire prevention, health risks faced by firefighters, and support for fire service communities.
International Firefighters' Day
May Fourth Movementcommemorations:
Literary Day(Republic of China), Youth Day (China)
Commemorative days in China and Taiwan marking the May Fourth Movement's cultural and political legacy.
May Fourth Movement commemorations on May 4 honor the 1919 student protests in Beijing against imperialist influence.
In the People's Republic of China, this day is celebrated as Youth Day, recognizing the role of young people in national development.
In the Republic of China (Taiwan), it is observed as Literary Day, emphasizing the importance of literature and intellectual freedom.
Cultural festivals, academic forums, and exhibitions discuss the movement's impact on modern Chinese literature, politics, and society.
The commemorations highlight the enduring spirit of reform, civic engagement, and cultural awakening sparked by May Fourth.
May Fourth Movement
Literary Day
Republic of China
Youth Day (China)
Remembrance Day for Martyrs and Disabled(Afghanistan)
An Afghan national day honoring martyrs and disabled individuals who sacrificed for the nation.
Remembrance Day for Martyrs and Disabled is observed on May 4 in Afghanistan to pay tribute to those injured or killed in conflicts.
Government officials and families of martyrs gather at memorials across the country for ceremonies and prayers.
Parades and public events are held to raise awareness of the challenges faced by disabled veterans and civilians.
Organizations use the day to advocate for social support, rehabilitation services, and disability rights legislation.
The observance underscores the nation's respect for sacrifice and its commitment to caring for affected individuals and their families.
Remembrance Day for Martyrs and Disabled
Afghanistan
Remembrance of the Dead(Netherlands)
A solemn day in the Netherlands to remember those who died in wars and peacekeeping missions.
Remembrance of the Dead (Dodenherdenking) is observed annually on May 4th in the Netherlands. It honors Dutch servicemen and civilians who lost their lives during World War II and in subsequent conflicts and peacekeeping operations. At 20:00, the entire country observes a two-minute silence. Ceremonies take place at war memorials, cemeteries, and in town squares, with wreath-laying and military honors. The main event is held at the National Monument on Dam Square in Amsterdam, attended by the royal family and government officials. Broadcasts of the memorial service are carried on radio and television. The day serves as a reminder of the sacrifices made for freedom. It is followed by Liberation Day on May 5th, celebrating the end of German occupation in 1945.
Remembrance of the Dead
Netherlands
Restoration of Independence Day(Latvia)
Latvian national holiday marking the restoration of independence from the Soviet Union in 1990.
Restoration of Independence Day is celebrated on May 4th in Latvia. It commemorates the adoption of the declaration restoring the independence of the Republic of Latvia on May 4, 1990, after decades of Soviet occupation. The day is a public holiday in Latvia. Official ceremonies include flag-raising, military parades, and speeches by the President and Prime Minister. Citizens display the national flag on buildings and homes. Cultural events such as concerts, exhibitions, and traditional gatherings take place across the country. The observance highlights the Latvian struggle for sovereignty and democratic values. It fosters national unity and pride in Latvia’s regained freedom.
Restoration of Independence Day
Latvia