Real World article
(written from a Production point of view)

According to the script for the Star Trek: The Next Generation episode "Yesterday's Enterprise", Archduke Ferdinand was assassinated in Sarajevo, an Earth city. The line in which Sarajevo was mentioned did not make it into the final episode. According to the script's pronunciation guide, Sarajevo was pronounced "sar-ah-YEH-voh".

The assassination of the archduke occurred in 1914.
Two starships, the Sarajevo and the USS Sarajevo, were named after this city.

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