
Honolulu becomes one of the first cities in the world to have dial telephone service.
First airplane flight in Hawai'i takes place at Moanalua Polo Field.
Built largely in response to the approaching Halley's comet, Hawaii's first astronomical observatory opens at the College of Hawaii.
Nu`uanu Reservoir No. 4 built to supplement earlier lower elevation reservoirs. Prompted by a growing Honolulu, the reservoir provides the added water pressure needed to reach higher stories in buildings.
Tuberculosis bureau established.
People of Japanese ancestry form the largest ethnic group in Hawai'i.
Puerto Ricans in the Islands number 4,890.
Census counts 4,500 Koreans in Hawai'i.