The European Day of Remembrance for Victims of Stalinism and Nazism, commemorated every August 23, is also known as Black Ribbon Day. The day is set aside to remember the victims of Stalinism posed by then Union of Soviet Socialist Republics (U.S.S.R.) leader Joseph Stalin and those of Nazism posed by German dictator Adolf Hitler. August 23, 1939, was when the pact Molotov-Ribbentrop was signed. The agreement was between the Soviet Union and Germany. Shortly after it was signed, the Second World War began. The day is to remember the victims of the horrendous acts that occurred during those times.
National Surgical Oncologist Day

National Surgical Oncologist Day is observed on August 22 every year, a day to celebrate and honor the doctors dedicating their lives and expertise to making the world a healthier place. They play a significant part in helping many people stay around longer than nature may have intended. Surgical Oncologists are doctors who specialize in removing tumors and performing biopsies to diagnose cancer in patients. A surgical oncologist’s role in theater varies. Some specialize in more specific forms of cancer, however, they are all trained to actively engage with patients and manage cancerous and non-cancerous tumors.
Slovenians in Prekmurje Incorporated into the Mother Nation Day

Slovenians in Prekmurje Incorporated into the Mother Nation Day is celebrated annually on August 17. Prekmurje is a region of Slovenia located between the Mur River in Slovenia and the Raba Valley in the westernmost part of Hungary, which retains certain specific linguistic, cultural, and religious features that distinguish it from other Slovenian traditional regions.
This is a public holiday in the Republic of Slovenia but not a non-working day. On this day, the Slovenes gather in Prekmurje to celebrate their liberation from Hungarian supremacy and becoming part of their native country, Slovenia.