“On this day, all children who were killed by the Russian Federation will be remembered in Ukraine – the day of commemoration of children who died as a result of armed aggression will be held. Estonia will remember how their blue-black-white tricolor appeared-the National Flag Day will be held. And the Hungarians will order that they lost 70% of their territories by signing the Trianon Treaty. UA.news gathered information about holidays on June 4 2025”, – WRITE ON: ua.news
On this day, all children who were killed by the Russian Federation will be remembered in Ukraine – the day of commemoration of children who died as a result of armed aggression will be held. Estonia will remember how their blue-black-white tricolor appeared-the National Flag Day will be held. And the Hungarians will order that they lost 70% of their territories by signing the Trianon Treaty.
UA.news gathered information about the holidays on June 4, 2025.
The holiday of Ukraine on June 4, 2025
On June 4, Ukraine honors the memory of children who died as a result of the armed aggression of the Russian Federation against Ukraine. As of June 3, the Office of the Prosecutor General reported 631 killed by the Russians, and in 1971 the child was injured.
The day of commemoration of children who died as a result of the armed aggression of the Russian Federation against Ukraine is a state memorial day in Ukraine, which is celebrated annually on June 4. It was introduced to commemorate the children who died as a result of the Russo-Ukrainian War since 2014 by the decision of the Verkhovna Rada of Ukraine of June 1, 2021.

Also in Ukraine are celebrating the Day of Water Management Workers (celebrated annually in accordance with Presidential Decree No. 226/03 of March 18, 2003 and the Day of Local Industry Workers (celebrated annually in accordance with Presidential Decree No. 726/02 of August 20, 2002). (economic) court, ”and later, on November 6, adopted the Arbitration Procedure Code of Ukraine.
International holidays on June 4 2025
The National Flag Day will be celebrated in Estonia. The history of the blue-black-white tricolor begins in the 1980s. On September 17 (29), 1881, in the Derpta, the participants of the constituent assembly of the Student Organization of the Derpt University “Vironia” approved the flag of the organization-a blue and black-white flag. The choice of blue-black-white tricolor was due to the fact that traditionally student societies in Estonia were chosen by three-color flags. From the end of the nineteenth century, the blue-black-white flag became a symbol of the national struggle of the Estonians, and the prohibition of the imperial government on its use only strengthened its symbolic importance to the people.

In Hungary, June 4 celebrates National Unity Day. This date is related to one of the most painful events in the history of the country – the signing of the Trianon Treaty, which became a symbol of a huge national tragedy for Hungarians. On June 4, 1920, after the End of the First World War, a Treaty was signed, which officially enshrined the collapse of the Austro-Hungarian Empire. Under the terms of the contract, the country has lost more than 70% of its territories. A third of the Hungarians found themselves outside new borders – in Romania, Slovakia, Serbia, Ukraine and other countries. Therefore, the Treaty is often referred to as a symbol of the national tragedy, or Nemzeti Tragédia.
And this is International Corgi Day. This day is dedicated to the honoring and appreciation of these little fluffy four -legged friends who have a significant impact on the lives of their masters. This day aims to raise awareness of Corgi as pets, as well as promote responsible ownership and protect the welfare of animals.

Church Holidays on June 4, 2025
June 4 in the new church calendar is the day of the commemoration of St. Mitrofan, who was Patriarch of Constantinople. Mitrofan lived in the IV century, and his life has raised many trials. His father was a brother of the Roman emperor, but professed Christianity. When Christians were persecuted, the whole Mitrofan’s family moved to Byzantium. There, Mitrofan’s father became a priest, and later a bishop, and later a Mitrofan was elected to the department.
After his visit to the city of Emperor Constantine, Mitrofan made a patriarch – the ruler appealed to the bishop and the city he made the capital. At that time, the Reverend was already an old man. He died at the age of 117 and had a gift of insight.
Angel Day 4 June 2025
On June 4, the novoan calendar celebrates Severin on June 4. This name comes from Latin and means “harsh” or “strong”.
The mascot of a person born on June 4 is malachite. Since ancient times, the stone has been considered a protection against misery. The strongest healing properties attributed malachite to a soft green hue.

Recall that In June 2025 Orthodox mark One of the 12 main church holidays is the Holy Trinity Day, as well as the Nativity of St. John the Baptist and the Day of the Holy Apostles Peter and Paul.
June 3 in Ukraine Honor Thyme plant, which has long been given magical properties. Also, on June 3, Ukraine and the world are celebrated by World Bicycle Day and Parachut’s Birthday.
May 31 in Ukraine Greetings Workers of publishers, printing and book distribution. May 31 – World tobacco Day, International Blood Day and Birthday Birthday.