History's A Disaster

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A hairline crack doesn’t sound like much until it’s hissing flammable vapor at the base of a pressurized refinery tower. We’re telling the story of the 1984 Union Oil Refinery explosion in Romeoville, Illinois, a disaster that escalates in minutes from a routine walkthrough to a massive blast, a second fireball fueled by liquefied petroleum gas, and a night that leaves 17 workers dead.

We start with the nuts and bolts of refinery operations, including how an MEA absorber tower strips hydrogen sulfide out of a sour gas stream and why that “normal” process can be brutal on carbon steel pressure vessels. Then we zoom in on the real villain: hydrogen damage and a repair weld that skipped post weld heat treatment. That one shortcut creates a hardened, brittle heat affected zone, and over years of exposure it quietly absorbs hydrogen, loses toughness, and grows an internal crack that inspections struggle to spot until it’s almost all the way through the wall.

From there, we follow the timeline of the explosions, the chain reaction damage across piping and tanks, the water supply problems responders face, and the firefighting decision that ultimately prevents even more loss of life. We also dig into the OSHA and National Bureau of Standards investigation, including magnetic particle inspection, ultrasonic testing, microhardness readings, fracture mechanics, and the evidence for hydrogen embrittlement and hydrogen induced stepwise cracking. The bigger takeaway is uncomfortable but useful: industry surveys find similar cracking in many comparable MEA systems, making Romeoville a warning about process safety management, pressure vessel repair practices, and why “follow the book” is not optional.

If you care about industrial accidents, refinery safety, welding procedures, corrosion, and how disasters really happen, hit subscribe, share this with a friend who works around heavy industry, and leave a rating or review. What safety rule do you think people dismiss until it’s too late?
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Special thank you to Lunarfall Audio for producing and doing all the heavy lifting on audio editing since April 13, 2025, the Murder of Christopher Meyer episode https://lunarfallaudio.com/

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A royal party boat packed with nobles, wine, and bad decisions sets off from Barfleur and hits rock within minutes, and England never really recovers the same way. We’re telling the story of the White Ship disaster of 1120, the night William Adelin, the only legitimate son of King Henry I, drowns in the Channel and takes a generation of Anglo-Norman leadership down with him.

We start with the brittle logic of medieval succession: William the Conqueror’s cross-Channel empire, the ugly split between brothers, and Henry I’s unlikely rise after William II dies on a hunt that feels a little too convenient. From there, we track how Henry builds real governance for Norman England, tightening law, administration, and royal control, all while betting everything on one heir to keep the realm stable.

Then the wheels come off. The White Ship leaves harbor late, the crew drinks, the passengers wave off a priestly blessing, and overconfidence does the rest. The wreck itself is fast, cold, and final and one heartbreaking choice at the lifeboat turns survival into tragedy. From that single loss, we follow the chain reaction into Empress Matilda’s contested claim, Stephen of Blois seizing the crown, and the civil war remembered as The Anarchy, before the Treaty of Wallingford finally clears the way for Henry II and the Plantagenet dynasty.

If you’re into medieval history, shipwreck stories, English kings and queens, and how one moment can trigger a succession crisis and civil war, hit play, then subscribe, share the show, and leave a rating or review so more listeners can find us.
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Special thank you to Lunarfall Audio for producing and doing all the heavy lifting on audio editing since April 13, 2025, the Murder of Christopher Meyer episode https://lunarfallaudio.com/

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A plane can be perfectly flyable and still be doomed by paperwork and a wrench turn. On Air Midwest Flight 5481, a Beechcraft 1900D lifts off from Charlotte Douglas and, within moments, pitches up so steeply the crew can’t muscle it back down. The stall warning blares, the aircraft rolls, and it crashes into a maintenance hangar, leaving no survivors. 

We break down what the NTSB uncovered and why this accident remains a defining case study in regional airline safety, weight and balance, and center of gravity. The airline used FAA-approved average passenger weights and standard baggage numbers, but reality was heavier, pushing the aircraft beyond its maximum limits and nudging the load aft. That alone is dangerous, raising stall speed and shrinking the buffer pilots rely on during climb-out. 

Then comes the second hit: maintenance. Investigators find elevator control cable rigging that limits the elevator’s downward travel, cutting the crew’s ability to command nose-down pitch when they need it most. We also dig into how skipped checks and weak quality assurance can turn a “small” mistake into a non-negotiable failure, plus the fallout that followed, including a rare public apology to families and broader pressure to revisit outdated weight assumptions. 

If you care about aviation accidents, FAA standards, and how safety systems fail, subscribe for more from History’s A Disaster, share this with a friend, and leave a rating or review so more listeners can find the show.
Facebook: historyisadisaster
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email: historysadisaster@gmail.com
Special thank you to Lunarfall Audio for producing and doing all the heavy lifting on audio editing since April 13, 2025, the Murder of Christopher Meyer episode https://lunarfallaudio.com/

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A passenger train on a brand-new route should not end up scattered across a highway, but that’s exactly what happened when Amtrak Cascades Train 501 hit a tight curve at more than double the posted limit and derailed onto I-5. We walk through how the Point Defiance Bypass was designed to improve service, why key infrastructure fixes were cut, and how a “permanent speed reduction” became the main defense at the most dangerous spot on the line. 

We also dig into the safety system that could have changed everything: Positive Train Control. PTC can track a train’s location, enforce speed limits, and trigger emergency braking when crews miss a warning or misjudge a hazard. The problem is it wasn’t active yet when revenue service began. From there, the story turns into a blunt look at real-world training and human factors: an experienced engineer learning a new route while adapting to a new Charger locomotive, limited hands-on time, and reference points that are easy to miss in darkness. 

Then we follow the crash itself, the casualties and rescue response, and the cleanup that shut the bypass down until full PTC implementation. Finally, we break down the NTSB conclusions and the accountability question that hangs over so many transportation disasters: when a system is built to rely on perfect human performance, who is really responsible when it fails? Subscribe, share the episode with a friend, and leave a rating or review so more people can find the show.
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Special thank you to Lunarfall Audio for producing and doing all the heavy lifting on audio editing since April 13, 2025, the Murder of Christopher Meyer episode https://lunarfallaudio.com/

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A played-out limestone quarry in the hills of New York should have faded into silence, but World War I turned Split Rock into something far more dangerous: a round-the-clock TNT factory built to feed an exploding demand for high explosives. We walk through how an isolated site with rail access and existing infrastructure became the ideal place to make munitions, and why “ideal” can also mean “easy to look away from” when the goal is maximum output.

We follow the pressure cooker logic that rules the plant by 1918: nearly 3,000 workers, nonstop shifts, and a staggering share of America’s TNT production. That pressure reshapes staffing and risk, from teenagers and older workers taking critical roles to women working around picric acid so often their skin turns yellow, earning the nickname “Canaries.” Small fires become common, drills become routine, and routine turns into complacency. A 1916 explosion should have been the wake-up call, but the quotas keep climbing.

Then July 2, 1918 arrives. A fire in Building No. 1 grows at the worst possible time, water pressure fails, the building lacks sprinklers because of a regulatory loophole, and the site loses power as responders fight in near darkness. The blast kills 50, injures many more, and sends flames toward storage magazines holding roughly 1.5 million pounds of explosives, putting nearby Syracuse within a terrifying potential blast radius. We also connect Split Rock to the wider wartime pattern, including a similar TNT disaster in England, and we end on the question that still won’t go away: what do we sacrifice when production becomes the highest value?

Subscribe for more true industrial disaster history, share this episode with a friend, and leave a rating or review so more listeners can find the show.
Facebook: historyisadisaster
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email: historysadisaster@gmail.com
Special thank you to Lunarfall Audio for producing and doing all the heavy lifting on audio editing since April 13, 2025, the Murder of Christopher Meyer episode https://lunarfallaudio.com/