9/11 (East Bay, CA)
9/11 (San Francisco, CA)
Coronavirus (San Francisco, CA)
Covid-19 (San Francisco, CA)
9/11 (San Francisco, CA)
covid-19 (Palo Alto, CA)
Soviet Union disintegration (Israel)
Kennedy Assassination. 9/11. COVID-19 (sadly because it will be around for a very long time and change the world probably in some good ways and lots of bad ways. If we get universal health care that would be one of the good ways). (Chicago, IL)