The bombing of what? Pearl Harbor? Hiroshima? Tokyo? You are going to have to repost this as a more specific question.
a long time
it take 2 days
It took 273 days for them to build the pyramid
It takes a long time...
it took 27years to build interstate 75.
From concept to 1st production - 9 months on an assembly line a couple days
About 2 months
how long does it take to build a asimo
how long did it take to build the half moon
how long did it take to build the scottish parliment?
how long did it take to build cabot tower
25 hour flight.;)
The Swordfish torpedo bomber of the Royal Navy was the first bomber to take off from a carrier.
hs2 will take 15 years to build
how long does it take to build a beam bridge of 2400 sq ft
it took 3 years
How long did it take to build st James cathedral london