Literary works (apex)
What year did the key first appear?
According to Sima Qian's famous historical writings Shi Ji, when Qin Dynasty unified the whole of China in 221 B.C., there are temples of Shou-Hsing in the captial city Xianyang.
Germany
ayy
No
"Class" can mean a number of different things. How you would say it depends on which meaning you wish to use. The word "class" itself does not appear to have been used for any purpose in Elizabethan writings.
About 3,000 years ago.
In 4100 BC the Sumerian’s developed the first system of writing.
Both are fictional, so the question is ultimately meaningless and depends on the author writing the story in which they appear. It's also possible that in some stories they may simply be different words for the same thing.
When there was no writing, someone had to invent it. It did not just appear from nowhere.
the late 18th century
3200 bc
writing.
the late 18th century
What is "do writing?" This does not appear to be proper English. If the question were rephrased in proper English, I think we would know how to answer it.
The world is leveled so eventually around level 18+ the most powerful weapons appear on enemies and in stores.
Of course, at the time, neither Shakespeare or his contemporaries noticed or remarked upon whether he was changing from one phase of his writing career to another. But it does appear that for a while he was writing powerful tragedies and ambiguous comedies, and then he started writing plays that start very dark but end happily, usually with the reunification of families, and placed a greater emphasis on spectacle and special effects. This shift happened more or less around 1608-1609, after Coriolanus and before Pericles.