Both are equally acceptable, equally used and equally understood
Unless it is the begining of a sentence, twentieth century is NOT a proper noun. If not at the beginning of a sentence, then No.
XIX
Eric
Twentieth."A twentieth" / "one twentieth" or "the twentieth" (depending on the context).The plural is twentieths.
No. it's not necessary unless it forms part of the proper noun. But twentieth can also be written in numeral. Examples: 20th Century Fox Twentieth Century ( title of the movie directed by Howard Hawks)
No, it is mid to late twentieth century
Here are the numerical possibilities: twentieth - 20th twelfth - 12th tenth - 10th
S. Hurok was a famous impresario of the twentieth century.
20th century
Twentieth.
20th century
Twentieth."A twentieth" / "one twentieth" or "the twentieth" (depending on the context).The plural is twentieths.
Twentieth.
The 20th century ended as soon as the year turned to 2000
There is a new century every 100 years, and yes that was the 20th century.
Yes, at the very beginning of the 20th century he was president.
It developed in the 20th century for America when George Washington was president
World War II took place in the 20th century (1900s)
There were 12 amendments added to the constitution in the 20th century.
Yes. the 20th century finished at the end of the year 2000.