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  1. The Manhattan Project is started, the beginning of a scientific approach to nuclear weapons in the US, building on research work done in the UK.

    Source Wikipedia (opens external site)

  2. Mediterranean Theater

    THOR mission records show at least 0 Allied sorties (2 recorded unit missions) in the Mediterranean Theater on 1942-06-18, flown by RAF. Targets included LIBYA.

    Source US Air Force THOR (opens external site)

    THOR is a secondary compilation with known gaps, not a complete record.

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18 June in other years 19401941194319441945

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