Births on December 27

Willem van Otterloo, Dutch conductor and composer (d. 1978)

Jan Willem van Otterloo (27 December 1907 – 27 July 1978) was a Dutch conductor, cellist and composer.

23 May

Parliament of Finland
The unicameral Parliament of Finland gathers for its first plenary session.
22 Jun

Charing Cross, Euston and Hampstead Railway
The London Underground's Charing Cross, Euston and Hampstead Railway opens.
7 Sep

RMS Lusitania
Cunard Line's RMS Lusitania sets sail on her maiden voyage from Liverpool, England, to New York City.
16 Nov

RMS Mauretania (1906)
Cunard Line's RMS Mauretania, sister ship of RMS Lusitania, sets sail on her maiden voyage from Liverpool, England, to New York City.
31 Dec

Times Square
The first New Year's Eve celebration is held in Times Square (then known as Longacre Square) in Manhattan.