What is celebrated on May 17: Day of Remembrance for Victims of Political Repressions, honoring victims of AIDS, and the Birthday of the Internet

On Sunday, May 17, 2026, Ukraine marks the Day of Remembrance of the Victims of Political Repressions—an annual commemorative date established by a decree of the President of Ukraine. It is traditionally observed on the third Sunday of May. This is reported by official and state sources, according to UNN.

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This day is dedicated to the memory of millions of Ukrainians who became victims of Stalinist repressions, mass arrests, deportations, and executions during the USSR era. The main commemorative events traditionally take place at the "Bykivnia Graves" National Historical and Memorial Reserve in Kyiv.

Also on May 17, the world celebrates World Telecommunication and Information Society Day, established by the UN and the International Telecommunication Union to honor the signing of the first International Telegraph Convention in 1865.

The world remembers AIDS victims and celebrates Internet Day on this day

Among the international commemorative dates on May 17 is also International AIDS Candlelight Memorial Day. It is held annually on the third Sunday of May to support people living with HIV and to honor the memory of those who have passed away.

In addition to official dates, May 17 is informally celebrated worldwide as the Birthday of the Internet—it was on this day in 1991 that the World Wide Web standard was approved. Also, World Baking Day and International Day of Light are held in various countries.

In the church calendar, on May 17, Orthodox Christians honor the memory of Apostle Andronicus and Saint Junia.