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4 March: what is celebrated today
4 March is one of those dates that looks ahead. A day permeated by the idea of responsibility: towards the planet we inhabit, the bodies that accompany us throughout our lives and the bonds that sustain us from childhood. Today’s anniversaries do not speak of grand gestures, but of everyday decisions that, added together, define tomorrow’s direction.
World Engineering Day for Sustainable Development
Every 4 March, World Engineering Day for Sustainable Development is celebrated, established in 2020 to underline the decisive role of engineering in the global challenges of the 21st century. Far from the cold image of calculations and structures, engineering appears here as a profoundly human discipline: one that seeks to guarantee drinking water, accessible energy, liveable cities and resilient systems in the face of climate crises.
Framed within the 2030 Agenda, this observance reminds us that technical progress makes no sense if it does not improve people's lives without compromising the balance of the planet. Designing sustainable solutions means thinking in the long term, combining innovation with ethics and understanding that every technological advance leaves a mark that transcends generations.
World Obesity Day
World Obesity Day, also marked on 4 March, proposes a broader and less simplistic view of one of the major contemporary public-health issues. For years, obesity was addressed almost exclusively through individual responsibility, ignoring the weight of environments, food systems, working conditions and unequal access to a healthy life.
Today, the conversation changes tone. Speaking about obesity means speaking about cities designed for movement, available and affordable food, nutrition education and a health system that provides support without stigmatising. Recognising its complexity is the first step towards building fairer and more effective responses.
International HPV Awareness Day
International HPV Awareness Day invites people to break uncomfortable silences around one of the world's most common sexually transmitted infections. Most infections are symptom-free, which reinforces the importance of information, prevention and regular medical check-ups.
This date places the emphasis on sex education and prevention as tools of collective care. Speaking naturally about HPV, without fear or taboos, makes it possible to take informed decisions and reduces risks that can, over time, have serious consequences for health.
Sibling Day (Argentina)
In Argentina, 4 March is Sibling Day, an observance of an affectionate nature that brings fraternal bonds to the fore. Siblings by blood, upbringing or choice: relationships that often accompany us throughout life and serve as a first emotional laboratory in which we learn to share, negotiate and care.
In a calendar dominated by major global causes, this celebration introduces an intimate and necessary dimension. It recognises the value of everyday ties, silent complicity and support that is not always spoken, but is almost always there.