Earth is the third planet from the Sun. It is the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets. It is sometimes referred to as the world or the Blu...

Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It formed approximately 300 million years ago and then began to break apart after about 100 million years. Unlike the present Earth, much...

Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. He invented the discipline of geography, including the...

The Mappa Mundi is unique in Britain's heritage - an outstanding treasure of the medieval age which reveals how 13th century scholars interpreted the world in spiritual and geographical terms. The map is undated but bears the name of "Richa...

Rowan Gavin Paton Menzies was a British author and retired submarine lieutenant-commander who has written books promoting claims that the Chinese sailed to America before Columbus. Historians have rejected Menzies' theories and assertions a...

Alfred Lothar Wegener was a German polar researcher, geophysicist and meteorologist. During his lifetime he was primarily known for his achievements in meteorology and as a pioneer of polar research, but today he is most remembered as th...

World War I (WWI), also called the First World War or Great War, was a major war centered in Europe that began in the summer of 1914 and lasted until November 1918. It involved all of the world's great powers, which were assembled in two op...

The 1918 flu pandemic (commonly referred to as the Spanish flu) was an influenza pandemic that spread to nearly every part of the world. It was caused by an unusually virulent and deadly Influenza A virus strain of subtype H1N1. Historical...

World War II was a global war that lasted from 1939 to 1945. The vast majority of the world's countries - including all the great powers - eventually formed two opposing military alliances: the Allies and the Axis. A state of total war emer...

UNESCO - the United Nations Educational, Scientific and Cultural Organization was born on November 16, 1945. For this specialized UN agency, it is not enough to build classrooms in devastated countries or to publish scientific breakthroughs...

The name "United Nations", coined by United States President Franklin D. Roosevelt, was first used in the "Declaration by United Nations" of 1 January 1942, during the Second World War, when representatives of 26 nations pledged their Go...

The Universal Declaration of Human Rights (UDHR) is a declaration adopted by the United Nations General Assembly (10 December 1948 at Palais de Chaillot, Paris). The Guinness Book of Records describes the UDHR as the "Most Translated Docume...

WWF is a global organization acting locally through a network of family offices. All these offices do all they can to halt the accelerating destruction of our natural world. WWF originally stood for "World Wildlife Fund". However, in 19...

Amnesty International (AI) is a worldwide movement of people who campaign for internationally recognized human rights. AI's vision is of a world in which every person enjoys all of the human rights enshrined in the Universal Declarati...

Greenpeace is an independent global campaigning network. The network comprises 26 independent national/regional organisations in over 55 countries across Europe, the Americas, Africa, Asia and the Pacific, as well as a co-ordinating body, G...