Sept. 19, US carries out its first atomic bomb test underground

1957 – US carries out its first atomic bomb test underground.

1999 – A multinational peacekeeping force lands in East Timor in an attempt to restore law and order to the territory.

2002 – A rebellion against President Laurent Gbagbo of Ivory Coast begins.

1551 – King Henry III of France was born.

1881 – The 20th President of the US James Garfield passed away.