The government stated our…

Recession.started in December 2007.

Economics: a period of an economic contraction, sometimes limited in scope or duration as compared to a depression.
Wikipedia:

“Recessions or Crises since the Great Depression”:
There were 6.

3 lasted 2 years – and 3 lasted 1 year…so in doing the math, looks like they last an average of 1 1/2 years.

And the average time in between recessions or crises: 12 years
Things happen, over and over in history, no big surprise – until it happens.

– Dr. Vik, The Culture King