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  2. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    Though the testing schedule is unclear, sirens are commonly sounded on the anniversary of the Warsaw Uprising. As in other parts of the world, many of the country's volunteer fire stations utilize civil defense sirens for fire calls. Many of these stations will use a two siren set-up; one unit being high pitched, the other being low pitched.

  3. Demographics of Chicago - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_Chicago

    At the turn of the 20th century, Chicago was the third-largest Czech city in the world, after Prague and Vienna. [37] There are approximately 14,000 Ukrainians living within the Chicago city limits. [38] Chicago has a small community of Swedish Americans, who make up 0.9% of Chicago's population and number at 23,990. [39]

  4. Warning sirens sound as multiple tornadoes touch down near ...

    www.aol.com/warning-sirens-sound-multiple...

    Warning sirens could be heard ringing out in downtown Chicago as multiple tornadoes touched down close to the city on Wednesday 12 July. The eerie sound could be heard in footage posted by Twitter ...

  5. Chicago - Wikipedia

    en.wikipedia.org/wiki/Chicago

    Chicago [a] is the most populous city in the U.S. state of Illinois and in the Midwestern United States.With a population of 2,746,388, as of the 2020 census, [9] it is the third-most populous city in the United States after New York City and Los Angeles.

  6. Chicago Fire Department - Wikipedia

    en.wikipedia.org/wiki/Chicago_Fire_Department

    The Chicago Fire Department (CFD) provides firefighting services along with emergency medical response services, hazardous materials mitigation services, and technical rescue response services in the city of Chicago, Illinois, United States, under the jurisdiction of the mayor of Chicago.

  7. Chicago homicides in 2024: 339 people slain. Here’s how that ...

    www.aol.com/chicago-homicides-2024-339-people...

    Sources: City of Chicago, Tribune reporting Chicago’s homicide victims in 2024 are often young, Black and male. Most homicide victims in Chicago died as the result of gunshot wounds.

  8. California town of Paradise deploys warning sirens as 5-year ...

    www.aol.com/news/california-town-paradise...

    The new sirens, similar to a tsunami warning system, are being incorporated into the city’s emergency services, which include mass cell notifications, an emergency call center for people to call ...

  9. Siren (alarm) - Wikipedia

    en.wikipedia.org/wiki/Siren_(alarm)

    The popularity of fire sirens took off by the 1920s, with many manufacturers including the Federal Electric Company and Decot Machine Works creating their own sirens. Since the 1970s, many communities have since deactivated their fire sirens as pagers became available for fire department use. Some sirens still remain as a backup to pager systems.