March 21

Observed annually on March 21, Lesotho's Arbor Day encourages community tree-planting initiatives. Local government agencies and volunteers partner to restore woodlands and urban green spaces. The event raises awareness of forest preservation, soil conservation, and biodiversity. Workshops and educational programs highlight the benefits of trees in protecting water sources and reducing erosion. Arbor Day in Lesotho reflects the nation's commitment to sustainable land management and ecological health.

Celebrated each year on March 21, Arbor Day in Portugal marks the start of the planting season. Schools, municipalities, and environmental groups organize ceremonies to plant native tree species. Participants learn about the role of forests in combating climate change and supporting wildlife habitats. The day highlights Portugal's efforts in reforestation and sustainable forestry management. Community-driven campaigns emphasize youth engagement and long-term care for newly planted trees.

Established by the Digital Freedom Foundation, Education Freedom Day is celebrated on March 21. The event highlights the importance of free and open access to educational materials for learners and educators. Community-driven campaigns include online webinars, resource-sharing platforms, and local meetups. Participants advocate for open licensing, collaborative curricula, and digital inclusion initiatives. Education Freedom Day underscores the transformative power of accessible learning and knowledge equity.

Observed annually on March 21, Harmony Day aligns with the United Nations' International Day for the Elimination of Racial Discrimination. The day promotes the value of multiculturalism through community events, school activities, and public forums. Orange is adopted as the official color, symbolizing social communication and meaningful conversations. Festivities include cultural performances, story-telling sessions, and shared meals featuring global cuisines. Harmony Day highlights Australia’s commitment to embracing diversity and promoting mutual respect among all citizens.

Observed on March 21, this United Nations day marks the anniversary of the 1960 Sharpeville massacre in South Africa. The UN and civil society organizations host conferences, educational campaigns, and cultural events to raise awareness. Each year adopts a theme addressing contemporary challenges in fighting racial discrimination worldwide. The day underscores the importance of legal frameworks, human rights education, and community action. It serves as a call to strengthen commitments to equality, justice, and diversity in all societies.

Originating in Egypt in 1956, the modern Arab Mother’s Day was introduced by journalist Mustafa Amin to highlight maternal contributions and family unity. The date was chosen to coincide with the spring equinox, symbolizing renewal and new life. Celebrations include giving flowers, cards and gifts, as well as family gatherings and special meals. Media outlets broadcast tributes and programs dedicated to the achievements of mothers across the region. Over time, the observance has spread to most Arab nations, fostering cultural appreciation and social solidarity.

Known in Poland as Dzień Wagarowicza, the day originated from an academic exercise in medieval Kraków where students could be absent for learning experiences. Today, many pupils take advantage of the unofficial holiday to travel, spend time outdoors or socialize with friends. Schools often turn a blind eye to absences, and local businesses sometimes offer student discounts or special events. In the Faroe Islands, a similar custom allows students to explore cultural and natural sites during this midterm break. While intended as a lighthearted reprieve, organizers encourage safe activities and parental supervision to ensure student well-being.

Designated by the United Nations in 2011, this day aims to raise public consciousness about Down syndrome through education and outreach. Events include conferences, family gatherings and social media campaigns using the #WDSD hashtag. Advocacy groups highlight healthcare access, educational inclusion and employment opportunities for people with Down syndrome. The date 21/3 symbolizes the triplication of the 21st chromosome that causes the condition. World Down Syndrome Day fosters global solidarity and celebrates the achievements and potential of individuals with the syndrome.

Youth Day in Tunisia is observed every March 21 to recognize the vital role of young people in the nation’s development. Introduced by the Tunisian government, the day celebrates the creativity, activism, and aspirations of the country's youth. Schools, universities, and civic organizations host cultural festivals, sporting events, and forums on youth empowerment. The holiday often includes speeches by national leaders, workshops on entrepreneurship, and community service projects led by young volunteers. The observance aims to inspire the next generation, encourage civic engagement, and showcase Tunisia’s commitment to its youth.