On this day in conspiracies

The Ninth Pan-American Conference opens in Bogota, with U.S. Secretary of State George Marshall attending; the meeting will charter the Organization of American States. The city is full of foreign delegations and visiting student activists.

At Romero's funeral outside the San Salvador cathedral, bombs and gunfire kill dozens in the crowd of mourners. The country slides into full civil war between the US-backed military government and leftist guerrillas of the FMLN.

On the night of 30-31 March 1990, ground radar stations report unusual contacts. The Belgian Air Force scrambles two F-16s from Beauvechain air base. Over about an hour the pilots attempt several interceptions; their onboard radar briefly locks onto targets that appear to show large, rapid shifts in speed and altitude, but the pilots see nothing they can visually confirm as a craft.

A magnitude 4.8 earthquake, the strongest at Yellowstone since 1980, strikes near Norris Geyser Basin. A video of bison running along a park road goes viral as supposed proof that animals sense an imminent eruption and are fleeing. The park issues a 'rumor control' response; the bison were filmed weeks earlier and were running into the park, not away.

The joint WHO–China technical report rates animal-to-human spillover 'likely to very likely' and a laboratory incident 'extremely unlikely,' and notes the WHO team never sought to inspect Fort Detrick. Beijing presses instead for scrutiny of U.S. labs.

Russia's Ministry of Defence says its units have withdrawn completely from Bucha. Ukrainian forces move back into the town over the following days.

The clip goes viral on TikTok and X, with users dissecting her jawline, eyes, and cheeks frame by frame and declaring the woman a 'fake,' an 'impersonator,' a 'body double,' or a 'clone.' The claim spreads far faster than any of the mundane explanations for why a close-up under event lighting can look unfamiliar.

Bitar formally concludes his investigation, reportedly charging dozens of officials, and refers the dossier to the prosecutor general for review ahead of a possible indictment, more than five and a half years after the explosion.