Latest / The History of Belgium: A Small Country with a Giant Colonial Legacy — Fexingo History / Belgium's WWII Resistance: The Secret War in the Ardennes
Transcript
- Lucas: We’ve spent so much time talking about the Congo and the Antarctic expeditions, but there’s another layer to Belgium’s modern identity that often gets overshadowed by the colonial narrative or the devastation of the Great Wars. I want to take you back to the winter of 1943, deep in the occupied capital of Brussels, where a young astronomer named Jacques Piree was looking up at the stars not to chart their course, but to hide them. Luna: An astronomer hiding stars? That sounds like the beginning of a very specific kind of spy novel. Lucas: It is, but it was real enough. Piree worked at the Royal Observatory of Belgium, a place known for precision and data. Under the Nazi occupation, every piece of information was suspect, yet his work became one of the most critical lifelines for the Allied cause. He wasn't fighting with a gun; he was fighting with barometric pressure readings and wind patterns. Luna: So the weather reports were actually secret messages? Lucas: Exactly. The Germans controlled the skies, and thousands of Allied pilots were shot down over Belgium, ending up in prisoner of war camps or going underground. To get out, they needed guides, maps, and safe houses. But the most immediate need was knowing when the weather would allow a rescue flight or when a hidden plane could land. Piree’s team began encoding legitimate weather data into formats that only the resistance knew how to read. Luna: Wait, did the Germans even realize they were being fed false or coded data? Lucas: At first, no. The resistance operated within the official structures because they had access to the raw data. They created what historians call the 'Barème,' a cipher system where specific atmospheric variables corresponded to coordinates for escape routes. It was brilliant because it used the enemy’s need for accurate meteorological data against them. If a pilot was stranded in the Ardennes mountains, the resistance could send a report indicating high pressure in a specific sector, signaling that a glider could safely land nearby. Luna: That must have been incredibly dangerous if they got caught. Lucas: Extremely. The German counter-intelligence arm, the Sicherheitsdienst, was everywhere. They had infiltrated many Belgian organizations. For Piree and his colleagues, the risk wasn't just imprisonment; it was execution. But they continued because the alternative was letting those pilots rot in camps or be forced into labor battalions. This network, often linked to the broader Comet Line, relied on this precise, scientific accuracy to survive. Luna: The Comet Line usually refers to the escape routes to Spain, right? Lucas: Right. The Comet Line was the umbrella organization that coordinated these escapes, moving people from Paris through Belgium and down to the Pyrenees. But the meteorological network was the nervous system that made those physical movements possible. Without knowing when the storms broke, the guides couldn't move the groups through the dense forests of the Ardennes without getting lost or captured. Luna: It feels like science saved more lives than bullets here. Lucas: In a way, yes. And it highlights how ordinary professionals—teachers, astronomers, clerks—became the backbone of the resistance. It wasn't just soldiers. It was people who loved their craft and decided to use it to protect their neighbors. Piree himself was arrested in 1944, but not before he had helped coordinate the escape of dozens of airmen. He spent the rest of the war in a concentration camp, but he survived. Luna: That’s a heavy toll for such quiet work. Lucas: It is. And it reminds us that the liberation of Belgium wasn't just a moment in May 1945 when the Allies arrived. It was a continuous, grinding struggle that happened in the shadows years before. The resilience of the Belgian people during these five years of occupation shaped their post-war identity in ways we still see today. But before we dive deeper into the betrayal that nearly doomed this network, I want to pause for a moment. Luna: Okay, I’m listening. Lucas: If you’re finding value in these deep dives into the hidden corners of history, the way these episodes stay ad-free and carefully researched is entirely thanks to listener support. It’s a small thing, but it keeps the lights on. If you can, check out buy me a coffee dot com slash fexingo to help us keep doing this work. Luna: Yeah, I really appreciate how consistent this has been. Lucas: Thanks, Luna. Now, back to the darkness of 1944. The meteorological network was successful, but it attracted attention. The Sicherheitsdienst had their own weather experts, and they started noticing anomalies in the data coming from the Royal Observatory. Luna: So the Germans started checking the numbers? Lucas: They did. And once they suspected foul play, the net tightened. There was a double agent operating within the resistance circles, feeding names and locations to the Gestapo. This led to a series of arrests that decimated the local leadership of the Comet Line in Brussels. Piree was one of the casualties of this crackdown, pulled from his work and thrown into prison. Luna: Did anyone else manage to slip through? Lucas: Yes, and this is where the human element becomes even more poignant. While Piree was imprisoned, others took over his duties. A group of junior technicians and even some students continued the coding. They worked in shifts, sometimes communicating through dead drops in public parks. The fear was palpable, but the commitment remained. Luna: It’s amazing how much trust they had in each other. Lucas: Trust was the currency of the resistance. One wrong word, one suspicious glance, and an entire cell could be wiped out. But they persisted because they knew that every coded weather report sent to London helped direct Allied bombers away from civilian areas or guided supply drops to starving villages. The stakes were literally life and death for thousands. Luna: So the weather reports protected civilians too? Lucas: Indirectly, yes. By disrupting German logistics and keeping the resistance active, they slowed the occupation’s grip. It wasn't glamorous. There were no medals given out in the dark. Just cold nights, encrypted papers, and the constant fear of the knock on the door. But when the war ended, these acts of quiet defiance were often forgotten in the rush to celebrate the main armies. Luna: Why do you think that part gets left out of the textbooks? Lucas: Because large-scale battles are easier to visualize. Tanks rolling into cities, flags being raised. It’s hard to dramatize a man sitting in a drafty office in Brussels, adjusting a barometer while trying not to tremble. But that trembling man was holding the line just as surely as any soldier on the front. His name was Jacques Piree, and he represents the thousands of Belgians who chose to resist in silence. Luna: It puts the colonial legacy stories in a different perspective, doesn't it? Lucas: It does. It shows a Belgium that was fractured, complex, and deeply human. Not just a colonizer or a victim, but a place where individuals made agonizing choices every day. Whether they were collaborating to survive, resisting to fight, or staying neutral to endure, these stories matter. They remind us that history isn't just about kings and treaties; it's about the people living through them. Luna: I never thought about barometers as weapons. Lucas: Neither did most historians until recently. As we uncover more archives, we see how much of the war was won by information. The next time you hear a weather forecast, maybe think of Piree, sitting in the dark, turning the air itself into a map for freedom. Luna: That’s a powerful image to end on. Lucas: It’s one worth remembering. Thanks for walking through this shadow war with me, Luna. Luna: Thank you, Lucas. It’s been a privilege.