The Halabja massacre (Kurdish: کیمیابارانی ھەڵەبجە, romanized: Kêmyabarana Helebce) took place in Iraqi Kurdistan on 16 March 1988, when thousands of Kurds were killed by a large-scale Iraqi chemical attack.
Text from Wikipedia, licensed under CC BY-SA 4.0
The 39th anniversary falls on March 16, 2027.