Usually mentioned are: democracy, mathematics and philosophy.
No. Right now is the twenty-first century, so 1918 is in the twentieth century. Because the year 18 is in the 1st century, 118 is in the second century, and so on.
According to the U.S. Census Bureau, roughly 60 establishments manufactured gum and wood chemicals at the turn of the twenty-first century.
Panama used ecotourism to rebuild.
False
the end of World War II
R. G. Ruste has written: 'American heritage' -- subject(s): Civilization, Forecasts, Twenty-first century
the twenty first century beginned in 2000 because the twenty first century ends in 2100 actully
Twenty First Century Skinned was created in 1999.
pedro b escuro angel c alcalalhrented edgardo baner alexander
nope, twenty-first century is fine
Sippanon Ke tthat. has written: 'The middle path for the future of Thailand' -- subject(s): Civilization, Twenty-first century, Technology and civilization, Technological forecasting, Technological innovations, Forecasts
No. it's not necessary unless it forms part of the proper noun. Examples: The Twenty-first Dynasty of Egypt Twenty-first Amendment
Annals of the Twenty-Ninth Century was created in 1874.
Life in the Twenty-First Century was created in 1960.
Yes. It should be----- Twenty-first Century Skills
Annals of the Twenty-Ninth Century has 758 pages.
twenty-first century