Timeline: Era Merritt Tyson: Gerber Family of Langnau

1880 - 1932 (52 years)

	Date	Event(s)
1	1921	1921: UK - Stage debut of John Gielgud 1921: Germany - Extreme Inflation sets in 1921: Ireland - Irish Free State Proclaimed 1921: Washington, DC, USA - Warren Harding president in 1921. He dies of an embolism in San Francisco. He had taken ill on 31 Jul 1921 1921: Washington, DC, USA - Calvin Coolidge president 1921-1929. Vice president under Warren Harding, he was sworn in as president the day after Harding dies. 1921: UK - The first robot is built. 1921: CA, USA - John Larson, a University of California medical student, invented the modern lie detector (polygraph), used by police since 1924.

Gerber Family of Switzerland