People & History
The Wolfram Language has built-in access to an extensive collection of continually updated data on people and many kinds of history. Free-form linguistics provide a convenient mechanism for accessing all available data; more common categories also have specific associated Wolfram Language functions.
EntityValue — general access to values of properties for all types of entities
WikipediaData — Wikipedia material about entities and other topics
Person — hundreds of thousands of current and historical figures
SocialMediaData — data on Facebook friends, Twitter followers, etc.
WordFrequencyData — historical usage data for words and -grams
DateObject — represent and convert Gregorian, Julian, Jewish, etc. dates
Country — historical demographics, economics, etc. for all countries
City — historical demographics, founding dates, etc.
InflationAdjust — historical inflation adjustment
HistoricalCountry — nations, empires and other civilizations across history
MilitaryConflict — wars, battles and other historical conflicts
FinancialData — extensive historical data on stocks and other financial instruments
Company — public and private companies with detailed historical fundamentals data
CurrencyConvert — historical currency conversion rates
WeatherData — complete worldwide historical weather records