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College football (now) history:

Of the top 100 highest pass rating seasons by QBs, here 's how many that happened pre-2000 and were at P5 schools:
Six.
.
Who are they?
95 Wuerffel @ Florida (178)
99 Hamilton @ GA Tech (175)
94 Collins @ Penn St (173)
96 Wuerffel @ Florida (170)
95 Hoying @ Ohio St (170)
98 Smith @ Oregon (170)
.
Yes, that means no P5 QB has a top-100 passer rating season before 1994, due to the modern high-volume, high-efficiency passing games of the last 20 years.
Wow.
.
For fun, I altered these few seasons to what they would look like, given "best-QB-season-ever" Joe Burrow's 527 attempts in 2019.  The comp, att, yds, TDs, and INTs (counting stats) are altered, while the rate stats (comp %, pass rating) are not.
Just taking a break from creating orders for WN.
.
95 Wuerffel:  340 comp on 527 att for 5,281 yds and 57 TDs - 16 Int (178 pass rating)
99 Hamilton:  350 comp on 527 att for 5,285 yds and 50 TDs - 19 Int (175)
94 Collins:  351 comp on 527 att for 5,347 yds and 42 TDs - 14 Int (173)
96 Wuerffel:  303 comp on 527 att for 5,303 yds and 57 TDs - 19 Int (170)
95 Hoying:  334 comp on 527 att for 5,257 yds and 49 TDs - 19 Int (170)
98 Akili Smith:  310 comp on 527 att for 5,361 yds and 49 TDs - 11 Int (170)
.
The point of this isn't to say any of these player seasons was as good as Burrow's (they weren't, his rating was 202), just that their seasons were insanely good and just as bombastic if given the pass attempts. 
Also shows how the passing game explosion has been TOTAL, when only 6 of the top 100 passer seasons happened pre-2000, and none of the top 37.

Bricks of Tea

 In Ancient China, tea was often mixed with binding agents—including flour, blood, and manure—to increase its durability, thus fortifying the tea brick against the physical demands of its use as currency. Siberian nomads preferred tea-brick currency over metal coins and continued to use the edible money