The bombing of Zagreb in World War II was carried out by the Allies from 1944 until 1945. According to a 1950 census of war victims, a total of 327 people were killed by bombing.
Over the course of the bombing, the areas of Črnomerec, Borongaj and Pleso were hit the hardest. Borongaj was targeted as a location of a military airfield.
On February 22, 1944, a Dominican monastery was hit by the bombing, resulting in the deaths of eight theology students. In response to these deaths, archbishop of Zagreb Aloysius Stepinac sent a letter to the British ambassador to the Holy See.
On May 30, 1944, 100 bombs were dropped on Borongaj, each weighing 250 kg.
In 2007 and 2008, unexploded ordnance was found in Maksimir during construction. In 2008 a bomb was found in the nearby town of Sveta Nedelja.
Stepinac je osudio savezničko bombardiranje hrvatskog kopna 1944., gdje su njemačke snage imale jaka uporišta. U pismu upućenom britanskom veleposlaniku pri Svetoj stolici 7. ožujka 1944. navodi [...]