Encountered at: https://whyevolutionistrue.wordpress.com/2011/03/20/click-and-weep/scientific-literacy/
To admit my ignorance, I only know the particular '65 million years' number because of Jurassic Park.
Encountered at: https://whyevolutionistrue.wordpress.com/2011/03/20/click-and-weep/scientific-literacy/