Info:Did you know

Richard Dedekind

Dedekind came up with the notion of the "Dedekind cut" which is foundational in defining real numbers


Traditional Bedouin nomadic culture is noted for generous hospitality and protection of woman, as well as violent conflicts and tribal justice


Prejudice is a prejudgment based on membership in a group

Greenhouse gas

Without "greenhouse gases" the Earth would be so cold as to be uninhabitable

Australian Aborigine

Before the arrival of the British there were at least 300,000, and possibly 1 million, Indigenous Australians living in Australia

Sunshine policy

The "Sunshine Policy" of South Korea towards North Korea was named after Aesop's fable in which the man removed his coat voluntarily to enjoy the warmth of the sun

Cape Breton Island

The residents of Cape Breton Island, Nova Scotia in Canada, can be grouped into five main cultures: Scottish, Mi'kmaq, Acadian, Irish, and English

Marcus Daly

Marcus Daly was an Irish-born American businessman known as one of the three "Copper Kings" of Butte, Montana

Bob Dylan

Bob Dylan was awarded the Nobel Prize in Literature in 2016


Abrahamic religions do not consider Satan to be a wholly evil being, but rather one who became the adversary of his creator, God


Axiology is the philosophical study of value


One of the most important events of the Proterozoic was the build up of oxygen in Earth's atmosphere


There is a prehistoric cave painting of a "unicorn" in the Hall of Bulls


Despite their cooperation with white settlers, which had earned them recognition as one of the Five Civilized Tribes, thousands of Cherokees were sent to their death on the Trail of Tears.

Morean War

The Morean War against the Ottoman Empire was the Republic of Venice's last expansionist campaign


There are millions of asteroids in the Solar System


The first aviation facility to be called an "airport" was Bader Field in Atlantic City, New Jersey.

Italian Fascism

The term "Fascism" derives from fasces, a bundle of rods used in the Roman Empire to symbolize strength through unity


Max Weber saw the ideal of bureaucracy as a means for achieving maximum efficiency

Battle of Normandy

Bad weather before D-Day gave the Allied troops the element of surprise

Affirmative action

Some policies adopted as affirmative action, such as quotas for race or gender in college admissions, have been criticized as a form of reverse discrimination

Mary I of Scotland

Mary, Queen of Scots became queen when she was six days old, and died by beheading, convicted of treason against England as part of a plot to assassinate Queen Elizabeth I


Whales are the largest mammals, the largest vertebrates, and the largest known animals in the world.


Iron is an essential element for all known forms of life

Herbert Spencer

The term "survival of the fittest" was coined by Herbert Spencer

Battle of Britain

Churchill said "Never in the field of human conflict was so much owed by so many to so few" after victory in the Battle of Britain


Nigeria has experienced very high population growth and is now the most populous country in Africa

Marshall Plan

The European Recovery Program was named the Marshall Plan for the U.S. Secretary of State George C. Marshall

World Cup

The host nation for the World Cup final tournament is automatically qualified to play in the tournament


The trickster, a figure who plays tricks or disobeys rules of behavior, is an archetype appearing in many cultures

Mohandas K. Gandhi

Mahatma Gandhi never received the Nobel Peace Prize


During his reign Aurangzeb expanded the Mughal Empire and enacted a series of edicts based on Sharia (Islamic law) in India

Songhai Empire

At its height, in the fifteenth and sixteenth centuries, the Songhai Empire was the largest empire in West Africa

Benjamin Bloom

The American educational psychologist, Benjamin Bloom, carried out research that showed that a "decade of dedication" is more important than giftedness in achieving success in a given field of learning

Vocational education

The general philosophy of vocational education stands in stark contrast to the ideology of a liberal arts education.


The banshee's appearance may be that of an old hag or a beautiful young woman, but her cry has always been understood to herald death.


The name Beijing literally means "northern capital"


Romanticism, popular from the late eighteenth century through the nineteenth century, emphasized emotion and imagination in contrast to reason that was the focus of the Enlightenment


Kumgangsan, the Diamond Mountain, is one of the most spectacular tourist sights in Korea

Robert Morrison

Robert Morrison was the first Protestant missionary to China, baptizing ten converts over a period of 27 years