It became "decadent," meaning weak and immoral.
Brauer, Jr., published in 1967, was called
The crisis of the Third Century, from 235 to 284, and the remaining time, from Diocletian until 476, each receive about 17% of the text, although in time they are (only) 10% and 38%, respectively.
Reissued in 1995, the very same book was retitled: .
Thus, 192 years of Roman history, including a century (the 4th) with extensive ruins and literature, are given less than the space that one might expect.
Frazer in his classic [1890, 1900, 1906-15, ].
The Empire of the was about 750,000 km2, which is rather close to modern Chile at 756,950 or Zambia at 752,614 km2.
The modern Chinese expression for "Roman Empire" is , where has been rendered phonetically ().
Another problem is with the "Fall" itself.
The Empire of the , after a long recovery, topped out at about 1.25 million km2, while the combined area of modern France, Germany, and Italy is 1,209,730 km2 -- or of South Africa 1,219,916 km2.
No German chieftain sacked Rome or killed an emperor in 476.
Justinian's Empire peaked at just over 2 million square kilometers, while the area of modern Mexico is 1,958,200, Indonesia 1,904,570, or Saudi Arabia 2,149,690 km2.
How this happened of course goes back to again.
Some accounts of the Roman Empire make it seem larger by adding in the area of the Mediterranean Sea (the , entirely enclosed by Roman territory), which from Gibraltar to the Bosporus is 2.51 million km2, giving a grand total of 6.26 million km2.