Births on September 20

Jean Dréville, French actor, director, producer, and screenwriter (d. 1997)

Jean Dréville (20 September 1906 – 5 March 1997) was a French film director. He directed 45 films between 1928 and 1969.

8 Apr

Alzheimer's disease
Auguste Deter, the first person to be diagnosed with Alzheimer's disease, dies.
7 Jun

RMS Lusitania
Cunard Line's RMS Lusitania is launched from the John Brown Shipyard, Glasgow (Clydebank), Scotland.
18 Sep

Tsunami
A typhoon with tsunami kills an estimated 10,000 people in Hong Kong.
20 Sep

RMS Mauretania (1906)
Cunard Line's RMS Mauretania is launched at the Swan Hunter & Wigham Richardson shipyard in Newcastle upon Tyne, England.
9 Nov

Panama Canal
Theodore Roosevelt is the first sitting President of the United States to make an official trip outside the country. He did so to inspect progress on the Panama Canal.