Births on July 27

Jacob van der Hoeden, Dutch-Israeli veterinarian and academic (d. 1968)

Jacob van der Hoeden (Hebrew: יעקב ואן דר הודן, 27 July 1891 in Utrecht – 1 February 1968) was a Dutch-born Israeli veterinary research scientist.

10 Mar

Strowger switch
Almon Strowger, an undertaker in Topeka, Kansas, patents the Strowger switch, a device which led to the automation of telephone circuit switching.
15 May

Rerum novarum
Pope Leo XIII defends workers' rights and property rights in the encyclical Rerum novarum, the beginning of modern Catholic social teaching.
20 May

Kinetoscope
History of cinema: The first public display of Thomas Edison's prototype kinetoscope.