20th century.
20th CENTURY IS?
The 20th century.
I am pretty sure that it is the early 20th century
1933 was in the 20th century.
Space geodetic methods were brought to geodesy in the 20th century.
She lived in the 20th century.
1989 was the 20th century (1900-1999).
THE gps
Norman Rockwell was a 20th century American painter. His name begins with the letter R.
1913 was the only year in the 20th century that Easter Sunday was on the 23rd of March.
Yes, on the eve of the 20th century, the US, along with Japan and Italy, emerged as great world powers. The 20th century was from January 1, 1901 to December 31, 2000.