Definitions

James Buchanan (1791-1868) was an American politician who served as the fifteenth president of the United States. He took office during a time of great crisis, when the country was divided along sectional...

The Pacific War concerned the theatre of the Second World War (1939-45) fought in the Pacific Ocean and eastern parts of Asia between Japan and the United States and its allies. Japan had expanded its empire...

The Emancipation Proclamation was an executive order issued by US President Abraham Lincoln on 1 January 1863, at the height of the American Civil War (1861-1865). It proclaimed that "all persons...

The Battle of Mill Springs (19 January 1862) was the first Union victory in the Western theater of the American Civil War and propelled Union General George H. Thomas to fame. The battle...

Ulysses S. Grant (1822-1885) was a Union general in the American Civil War and, later, the 18th president of the United States of America. He is generally regarded as the most effective Civil...

The Korean War was a Cold War conflict that took place between North and South Korea from 1950 to 1953. It pitted US-led United Nations (UN) forces against the communist bloc supported by the Soviet Union...

Franklin Pierce (1804-1869) was an American lawyer and politician who served as the fourteenth president of the United States. An unremarkable politician prior to his election, his presidency was marred by...

The Manhattan Project was the code name for the secret US-led programme to develop an atomic bomb during the Second World War (1939-45). Hugely expensive and employing the best scientific minds from Europe...

Almourol Castle in Portugal was built on a 310-meter-long and 75-meter-wide granite islet in the middle of the Tagus River. Earlier Roman and Moorish structures were completely remodelled in 1171...

George H. Thomas (1816 to 1870) was a Union general in the American Civil War who first came to national attention after his victory at the Battle of Mill Springs (19 January 1862) in Kentucky, the...