January 7th: Ken Starr's report on the investigation into allegations of perjury and obstruction of justice against President Bill Clinton is delivered to the U.S. Congress, leading to impeachment proceedings.
August 7th: Two car bombs explode outside the U.S. Embassy in Nairobi, Kenya, and the U.S. Consulate in Dar-es-Salaam, Tanzania, resulting in a combined total of over 200 casualties.
August 17th: Linda Tripp's secretly recorded audiotapes, made public without her permission, reveal illicit conversations with Monica Lewinsky and lead to further controversy in the Clinton investigation.
August 31st: A powerful car bomb causes significant damage and leaves over 290 people dead in the Omagh bombing in Northern Ireland, attributed to dissident Irish Republican groups.
September 24th: NASA launches the spacecraft named "Lunar Prospector" to the Moon to explore for valuable resources and prepare for future missions involving human presence.
November 7th: The Good Friday Agreement is signed and officially goes into effect, bringing an end to decades of religious and political unrest in Northern Ireland known as "The Troubles."
December 19th: The impeachment trial of President Bill Clinton begins in the U.S. Senate following articles of impeachment approved by the House of Representatives related to alleged perjury and obstruction of justice.
These are just a few notable historical events that stood out in the year 1998.