Figure S9
1e-5 1.2 7 r - — Fort Sumter 1.0} itd 4 — Lusitania 08+ — _ Pearl Harbor
Frequency
“1800 1850 1900 1950 2000 Year
Fig. S9. We forget. Events of importance provoke a peak of discussion shortly after they happened, but
interest in them quickly decreases.
HOUSE_OVERSIGHT_017048