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The San Francisco plague of 1900–1904 was an epidemic of bubonic plague centered on San Francisco's Chinatown. It was the first plague epidemic in the continental United States. [1] The epidemic was recognized by medical authorities in March 1900, but its existence was denied for more than two years by California's Republican governor Henry ...
The 1900s (pronounced "nineteen-hundreds") was a decade that began on January 1, 1900, and ended on December 31, 1909. The Edwardian era (1901–1910) covers a similar span of time. The term "nineteen-hundreds" is sometimes also used to mean the entire century from January 1, 1900, to December 31, 1999 (the years beginning with "19").
Population of the world from 10,000 BC to 2000 AD (logarithmic scale) Estimating the ancestral population of anatomically modern humans, Colin McEvedy and Richard Jones chose bounds based on gorilla and chimpanzee population densities of 1/km 2 and 3-4/km 2, [1] respectively, then assumed that as Homo erectus moved up the food chain, they lost an order of magnitude in density.
The BCG vaccine was first used on humans in 1921 in France, [105] but it was not until after World War II that BCG received widespread acceptance in Great Britain and Germany. [106] In the early days of the British National Health Service X-ray examination for TB increased dramatically but rates of vaccination were initially very low. In 1953 ...
European immigration to the Americas was one of the largest migratory movements in human history. Between the years 1492 and 1930, more than 60 million Europeans immigrated to the American continent. Between 1492 and 1820, approximately 2.6 million Europeans immigrated to the Americas, of whom just under 50% were British, 40% were Spanish or ...
A Roberts loom in a weaving shed in the United Kingdom in 1835. The nature of the Industrial Revolution's impact on living standards in Britain is debated among historians, with Charles Feinstein identifying detrimental impacts on British workers, whilst other historians, including Peter Lindert and Jeffrey Williamson claim the Industrial Revolution improved the living standards of British ...
The country life movement was an early 20th century American social movement which sought to improve the living conditions of America's rural residents. The movement focused on preserving traditional rural lifestyles while addressing poor living conditions and social problems within rural communities.
The 1900 World's Fair presented the famous diorama living in Madagascar, while the Colonial exhibitions in Marseilles (1906 and 1922) and in Paris (1907 and 1931) also displayed humans in cages, often nude or semi-nude.