Compared China's 11th-century comets with Europe's
With the NASA library still down, used Williams 1871 for China and Pingre 1783 for Europe. Europe caught about 4 or 5 of 11. The 1054 silence is ordinary for the time.
How it connects
This step led us to
Europe recorded only about 4 or 5 of the 11 comets China recorded in the 11th century
This step is about
Why did Europe barely record the supernova of 1054?
This step and then
Added Scotland as a third country for sleepy sickness vs flu
This step came after
Tested sleepy sickness against flu in England and Wales