What was the 411 phone number traditionally used for in the US?
AnswerDirectory assistance
Dialing 411 connected callers to directory information.
Challenge · Facts & stats
411 facts & stats
7 fact-checked facts about information, directory services and finding reliable facts, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What number do people in the US dial for emergencies?
Answer911
911 is the US emergency number for police, fire and ambulance.
Going deeper
In the US, 711 connects callers to what?
AnswerA relay service for people who are deaf or hard of hearing
711 reaches the Telecommunications Relay Service.
Which online encyclopedia launched in 2001?
AnswerWikipedia
Wikipedia launched in January 2001.
What does the Dewey Decimal System organize?
AnswerLibrary books by subject
Libraries use Dewey numbers to shelve books by subject.
Expert level
In the Dewey Decimal System, which range covers natural sciences and mathematics?
Answer500s
The 500s cover science and math; 300s social sciences, 700s arts, 900s history.
The Encyclopaedia Britannica was first published in which city?
AnswerEdinburgh
Britannica was first published in Edinburgh, Scotland, starting in 1768.
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