The 12th century is the period from 1101 to 1200 in accordance with the Julian calendar.In the history of European culture, this period is considered part of the High Middle Ages and is sometimes called the Age of the Cistercians.
Overview. As in the previous centuries, two styles of dress existed side-by-side for men: a short (knee-length) costume deriving from a melding of the everyday dress of the later Roman Empire and the short tunics worn by the invading barbarians, and a long (ankle-length) costume descended from the clothing of the Roman upper classes and influenced by Byzantine dress.
This is a list of decades, centuries, and millennia from 10,000 BC to 2030 AD, including links to corresponding articles with more information about them.
The following decade, Woodrow Wilson led the nation to victory during World War I, although Wilson's proposal for the League of Nations was rejected by the Senate. Warren Harding , while popular in office, would see his legacy tarnished by scandals, especially Teapot Dome ,  and Herbert Hoover quickly became very unpopular after failing to alleviate the Great Depression .
Large hats with wide brims and broad hats with face-shadowing brims were the height of fashion in the early years of the decade, gradually shrinking to smaller hats with flat brims. Bobbed or short hair was introduced to Paris fashion in 1909 and spread to avant-garde circles in England during the war. 
Insights of the Decade: survey that looked at the 10 insights that have changed science since the dawn of the new millennium. The dark genome;
Abul-Qâsem Ferdowsi Tusi (Persian: ابوالقاسم فردوسی توسی; 940 – 1019/1025 CE), also Firdawsi or Ferdowsi (فردوسی), was a Persian poet and the author of Shahnameh ("Book of Kings"), which is one of the world's longest epic poems created by a single poet, and the greatest epic of Persian speaking countries.