events
Haymarket affair: In Chicago, United States, a homemade bomb is thrown at police officers trying to break up a labor rally, killing one officer. Ensuing gunfire leads to the deaths of a further seven officers and four civilians.
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Haymarket affair
1886 aftermath of a bombing in Chicago, US
The Haymarket affair, also known as the Haymarket massacre, the Haymarket riot, the Haymarket Square riot, or the Haymarket Incident, was the aftermath of a bombing that took place at a labor demonstration on May 4, 1886 at Haymarket Square in Chicago, Illinois. The rally began…Source: Wikipedia (CC BY-SA)
Improvised explosive device
Unconventionally produced bomb
An improvised explosive device (IED) is a bomb constructed and deployed in ways other than in conventional military action. It may be constructed of conventional military explosives, such as an artillery shell, attached to a detonating mechanism. IEDs are commonly used as…Source: Wikipedia (CC BY-SA)
Chicago Police Department
Principal law enforcement agency of Chicago, Illinois, US
The Chicago Police Department (CPD) is the primary law enforcement agency of the city of Chicago, Illinois, United States, under the jurisdiction of the Chicago City Council. It is the second-largest municipal police department in the United States, behind the New York City…Source: Wikipedia (CC BY-SA)
May 4
Day of the year
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