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Accordion patent granted to Cyrill Demian in Vienna.
The accordion is a box-shaped musical instrument of the bellows-driven free-reed aerophone family, sometimes colloquially referred to as a squeezebox. A person who plays the accordion is called an accordionist.
Douglas Fairbanks, Sr. was an American actor, screenwriter, director and producer. He was best known for his swashbuckling roles in silent films such as «The Thief of Bagdad», «Robin Hood», and «The Mark of Zorro».
Baron Augustin-Louis Cauchy was a French mathematician who was an early pioneer of analysis. He started the project of formulating and proving the theorems of infinitesimal calculus in a rigorous manner, rejecting the heuristic principle of the generality of algebra exploited by earlier authors.