Pi Facts, page 6

Pi Citizens in the USA

On Tuesday, August 14, 2012, shortly after 2:29 pm, the United States Census Bureau's population clock hit hit 314,159,265 -- indicating that the population of the United States reached π x 10^8 people. More here.

"Proof" that pi = 4

(Hint: just because the area of the polygon approaches that of the circle doesn't mean the perimter approaches pi.)