• ...is locally nicknamed "La dame de fer" (French for "Iron Lady")
• ...was involved in the incidental discovery of what we know today as “cosmic rays”
• ...has been used for making radio transmissions since the beginning of the 20th century

nadir (noun)

nay + deer

An astronomical term that's been co-opted for colloquial usage, nadir means the lowest point, as in:

"the discussion really reached its nadir when people resorted to name-calling"

" We are what we pretend to be, so we must be careful about what we pretend to be. "

- Kurt Vonnegut

Where did the General keep his armies?

...

...

...

In his sleevies.