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12 April: what is celebrated today
Some dates seem to open two windows at once: one onto the sky and another onto the street. 12 April reminds us that humanity can imagine the impossible—leaving the planet—and at the same time stumble over the most basic things: rights violations, exclusion and prejudice. Between science and daily life, this day poses an uncomfortable and necessary question: what future are we building, and for whom?
International Day of Human Space Flight
On 12 April 1961, Yuri Gagarin ushered in the space age with the first crewed flight in history. Years later, in 2011, the UN established this date as the International Day of Human Space Flight to remember the beginning of a new era: the one in which Earth ceased to be the only horizon.
The commemoration is not only about rockets and feats, but about science applied to everyday life: communications, weather observation, technologies that spill over — sometimes without us noticing — into medicine, engineering and education. It also stresses a political idea: that space should be a territory intended for peaceful purposes, a place where cooperation carries more weight than rivalry.
And perhaps that is why this day moves us so much: because it shows us the human species at its boldest, capable of looking into the darkness and turning it into a route.
International Day for Street Children
On the same date, the calendar turns towards a less celebrated reality: millions of boys and girls living on the streets, exposed to violence, abandonment and hardship. This day exists to name what is often hidden, to remind us that childhood should not be left out in the open.
Living on the street does not only mean having no home; it means having essential rights violated: education, health, protection, identity, play, family and food. They are big words for simple needs: safety, affection, opportunities, a place to sleep without fear.
The observance calls for combined efforts — governments, institutions, communities — so that survival is not the usual fate of those who should be growing up.
International Day of People with Different Limbs
12 April also raises the visibility of people with different limbs, a day born in Ibero-America and intended as a loudspeaker against reductionist views. The date is charged with symbolism: “12” as a possible combination of an arm and legs, and “4” in April as a reference to the body's four limbs.
Beyond the gesture, the commemoration underlines something concrete: real accessibility, equal opportunities, inclusive workplaces and educational settings, and appropriate healthcare. It is not about “overcoming” as a compulsory narrative, but about rights: living without physical or social barriers.
It is also an invitation to reassess everyday prejudices: disability does not reside only in the body, but in spaces that fail to take diversity into account.
World Grilled Ham and Cheese Sandwich Day
Among serious commemorations, there is a modest and delicious celebration: World Grilled Ham and Cheese Sandwich Day. Sliced bread, butter, cooked ham and cheese; a minimal structure which, when well toasted, becomes universal comfort food.
Its charm lies in its simplicity: a dish that does not show off, but always works. In some places it is known as a “bikini”, and its spirit is the same: a quick break that tastes of home, a shared afternoon snack and cooking without solemnity.
This day reminds us that culture is also cooked: in small recipes passed from generation to generation which make any day kinder.
World Hamster Day
12 April is also dedicated to a tiny animal that has found a huge place in homes: the hamster. The date refers to an expedition undertaken on 12 April 1930 by Israel Aharoni to search for Syrian hamsters, an episode that marked the beginning of their breeding and subsequent popularisation.
The observance is usually experienced playfully, but it leaves a clear lesson: responsible adoption. A hamster is not a toy; it needs space, routine, suitable food and veterinary care when necessary.
Celebrating it is, at heart, about looking at the small with respect: understanding that even the most inconspicuous lives deserve attention and kind treatment.