Šumarice Memorial Park

October in Kragujevac Memorial Park (Spomen-park „Kragujevački oktobar", Спомен-парк „Крагујевачки октобар"), also known as Šumarice Memorial Park (Memorijalni park Šumarice, Меморијални парк Шумарице), is the site near Kragujevac, Serbia of the execution of an estimated 2,800 men and boys of the town by the German occupation forces on October 21, 1941, during World War II (Kragujevac massacre). Among the dead were hundreds of high school students. The 21 October Museum was designed by architect Ivan Antić is located at the site of the massacre.

Monuments within the park include the monument to the murdered schoolchildren and their teachers (the "Interrupted Flight" monument) by sculptor Miodrag Živković; the "Monument of pain and defiance" by sculptor Ante Gržetić; the "One hundred for one" monument by Nandor Glid; the "Resistance and Freedom" monument by Gržetić; and the Shoeshiners monument ("Crystal Flower") by architect Nebojša Delja. The complex also contains the Monument to the Slovaks killed during the World War I and the old World War I military cemetery with a Monument to Serbian soldier.

In December 2020 an exhibit about the Jasenovac concentration and extermination camp was held.