About FlagGeek

“Preserving the physical evidence of history — one flag at a time.”

FlagGeek is an independent documentation project dedicated to historical flags as physical objects. The site focuses on construction, materials, dimensions, markings, condition, period use, and historical context. Many flags are well known as images or symbols, but far fewer are properly studied as surviving textile artifacts. That is where this project begins.

Rather than repeating simplified catalog descriptions or recycled claims, FlagGeek looks closely at the flags themselves: how they were made, how they were used, how they aged, and what they can still reveal. The project bridges material culture and history, with a particular focus on historical, maritime, military, and conflict-period flags, including objects associated with naval, occupation, and post-war contexts.

FlagGeek is not a store and not a conventional blog. It is a long-term independent archive and documentation platform built around original objects, technical study, and historical context. The goal is simple: less mythology, more documentation.

About the researcher

My name is Kenny Ytrup, and I am from Denmark. Flags have been a constant interest for as long as I can remember. What began as fascination gradually became a long-term focus on historical research, physical documentation, and the preservation of objects that are often overlooked, misidentified, or stripped of context.

I was probably around eight years old when my interest first took shape. As a boy, I spent time on a dredger at sea, where I became fascinated not only by signal flags, but even by a simple windsock mounted in the mast. I could watch how it moved in the wind, how the fabric frayed in the harsh marine environment, and how the metal ring inside the hoist slowly rusted. I was not mainly interested in its practical function — I was interested in the object itself.

There were also signal flags on board, and they left a deep impression on me. They were colorful, elegant, and highly functional at the same time. Each flag had a meaning, a letter, and a role within a larger system. I remember being especially drawn to the signal flag C. Looking back, that early fascination is probably one of the reasons why maritime flags still form the core of my interest today.

When I was not at sea, I spent a great deal of time cycling around town looking at company flags. I kept track of when they became worn or were replaced, and then asked shop owners if I could have the old ones. Often they had already been thrown away, which meant checking the bin instead. Sometimes I left my phone number and hoped someone would call when a flag came down. Quite a few actually did.

What interested me was rarely the new, clean example. I preferred flags that had clearly been used — flags that had been exposed to weather, strain, dirt, and time. I liked studying how wear appeared in relation to reinforcements, seams, corners, and attachment points. Even as a child, I was less interested in flags as abstract symbols than in flags as real working objects.

At one point I even washed flags for local shop owners simply because it gave me a reason to handle them more closely. Looking back, that probably says everything. Some of the flags I could not obtain, my mother helped me make. Flags were never just a passing curiosity. They were the one interest that stayed.

As I grew older, my interest shifted from company flags to national flags, and eventually toward historical, military, maritime, and conflict-period material. That transition felt natural. I have always been interested in history, archives, and genealogy, so flags became a perfect meeting point between physical objects and historical research.

What still drives me is the deeper work: tracing unusual variants, comparing construction details, testing assumptions, finding regulations, and documenting objects that most people would either overlook or misunderstand. I am especially drawn to subjects where the standard answer is weak, repeated without evidence, or simply wrong.

Method and structure

• 🔍 Each flag is documented with high-resolution images in a fixed order
• 📐 Dimensions, markings, and construction details are closely measured and recorded
• 📄 HTML and PDF master copies are maintained for stable archival reference
• 🧵 Material analysis, technical observations, and historical assessment are included in each record
• 📚 A verified source list accompanies every major documentation page

All documentation is created for long-term preservation, reference, and research use. The aim is to treat flags not just as symbols, but as historical evidence and physical artefacts. Original photographs, scans, and direct observations form the basis of the project wherever possible.

Exhibitions and collaborations

Selected original flags from the FlagGeek archive may be made available on loan for museum, exhibition, memorial, or educational purposes, provided that proper conservation, handling, storage, and security standards are in place. The aim is simple: authentic objects should be seen, studied, and understood — not just stored away.

I am open to relevant collaborations with museums, researchers, curators, and other serious historical initiatives where the material can contribute meaningfully to public knowledge or exhibition work.

If you represent an institution, museum, or exhibition project and wish to discuss a potential loan or collaboration, please contact FlagGeek here.

Kenny Ytrup
FlagGeek.net