The Weimar Republic announced the first balanced German budget since the end of World War One.
The Soviet Union produced its first domestically manufactured motor vehicle, the AMO-15 truck.
The Alvarado Hot Springs was created when a natural gas exploratory well taped into a geothermal pool in Los Angeles County. It was operated commercially as a hot springs facility until at least 1961, following which it seem to have disappeared from history.
2BE began operating commercially, broadcasting twice a week, in Sydney. Australia's first commercial radio station would close in 1929.
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