Timeline: Dexter, Mary (May, Mamie): Histories of the Martin & Bloom Families

Histories of the Martin, Wilson, Bloom, & Ahola Families

1874 - 1945 (71 years)

	Date	Event(s)
1	1878	1878: First North American telephone exchange.
2	1883	8 Sep 1883: Northern Pacific Railway completed.
3	1914	1914—1918: First World War.
4	1920	1920: Commercial radio broadcasting begins.
5	1939	1939—1945: Second World War.