January 30 » The first Anglo-Japanese Alliance is signed in London.
March 6 » Real Madrid CF is founded.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
Day of marriage September 3, 1927
The temperature on September 3, 1927 was between 14.9 °C and 19.4 °C and averaged 16.8 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 1 » New Mexican oil legislation goes into effect, leading to the formal outbreak of the Cristero War.
April 14 » The first Volvo car premieres in Gothenburg, Sweden.
July 4 » First flight of the Lockheed Vega.
July 16 » Augusto César Sandino leads a raid on U.S. Marines and Nicaraguan Guardia Nacional that had been sent to apprehend him in the village of Ocotal, but is repulsed by one of the first dive-bombing attacks in history.
October 6 » Opening of The Jazz Singer, the first prominent "talkie" movie.
December 30 » The Ginza Line, the first subway line in Asia, opens in Tokyo, Japan.
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