Operation Storm marked the end of the war in Croatia, created conditions for the peaceful reintegration of the eastern Danube River region, helped break the siege of the northwestern Bosnian town of Bihać, and enabled the return of refugees and displaced persons. The operation culminated on August 5, when the Croatian Army's 4th and 7th Guard Brigades liberated Knin, the heart of the Serb rebellion, displaying a 20-metre-long Croatian flag on the town's fortress at noon.Ībout 200,000 Croatian soldiers and police took part in the biggest operation of the Homeland War. Within the following 84 hours slightly less than 10,500 square kilometres of territory, almost a fifth of the country, was liberated. Victory and Homeland Thanksgiving Day and the Day of Croatian Defenders is a public holiday in. The offensive was launched at 5 am on August 4 along the line running from Bosansko Grahovo to the south to Jasenovac to the east, the front line being more than 630 kilometres long. Victory Day in Croatia is observed on August 05, 2022. ZAGREB, 5 August, 2022 - Croatia is celebrating Victory and Homeland Thanksgiving Day, War Veterans Day and the 27th anniversary of Operation Storm, a joint military and police operation that ended a Serb armed rebellion in August 1995, and restored Croatian sovereignty over occupied central and southern parts of the country.