Wallpaper is usually sold in rolls and is used to cover and decorate interior walls. Modern wallpaper with block designs in continuous patterns was developed in 1675 and was used as an inexpensive alternative to hangings in Europe. Wallpaper was manufactured in the American colonies from the mid-18th century and often featured tropical themes. Mathematically speaking, all wallpaper patterns are based on how many wallpaper groups, or basic patterns?
Back in the day
Written by the philosopher and economist Marx and, to a debated extent, Engels, The Communist Manifesto is one of the most influential political tracts of all time. Among the policies that it calls for are a progressive tax system, universal free public education, and the nationalization of the means of production and transport. It also recognizes the contributions of rival socialist views but dismisses them as reformist and incognizant of the key role of what group?
Born on a day like today
Mugabe has served as the head of the government of Zimbabwe since 1980. He was instrumental in the formation of the modern Zimbabwean state, taking part in the independence movement of the 1960s and helping found the Zimbabwe African National Union in 1963. As Prime Minister, Mugabe has dealt with the redistribution of wealth and land. Today, he faces accusations of corruption, especially from the West. His office forbade the screening of what 2005 movie, claiming that it was CIA propaganda?