On this day in conspiracies

Michalak, prospecting for quartz and silver along the Precambrian Shield near Falcon Lake, is startled by a commotion of geese and (he later says) sees two glowing, cigar-shaped objects. One descends and settles on a flat outcrop, taking on a disc shape with a glowing rim and colored lights.

A private funeral is held for Kaufman in the New York area; he is interred at Beth David Cemetery in Elmont, New York. Because dying-and-returning was exactly his kind of bit, the 'is he really dead?' whisper starts almost immediately.

Megrahi dies in Tripoli, nearly three years after doctors had estimated he had about three months to live, still maintaining his innocence.

A Yahoo News/YouGov poll of 1,640 US adults, taken May 20–21, finds that 28 percent believe the false claim that Gates wants to use a COVID-19 vaccine to implant trackable microchips, rising to 44 percent among Republicans. The theory has reached a mass audience within weeks.

At a House Energy and Commerce oversight hearing, Rep. Alexandria Ocasio-Cortez holds up two jars of discolored water she says came from a Georgia community near Meta's data center and presses an EPA water official, who had said she was not aware of such complaints, to investigate. The official agrees to review the matter. The moment goes viral and becomes the emblem of the dispute.