Explore this Fascinating Map of Medieval Europe in 1444
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Explore this Fascinating Map of Medieval Europe

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Medieval Europe in 1444 map

Explore this Fascinating Map of Medieval Europe

What did Europe look like in the Middle Ages? That’s a tough question to answer since Europe’s borders and territories were (and still are) constantly in flux.

This map, shared by Reddit user /ratkatavobratka, provides a historical snapshot of Europe in 1444—a time when European society was made up mostly of independent territories that were governed by landowners rather than a centralized authority.

Below, we’ll take a closer look at some key regions on the map, and what was happening in these areas at the time.

Some Context: Why 1444?

Before we dive into the analysis, first thing’s first—what’s so special about the year 1444?

It was the year of the Battle of Varna. That’s when the Ottoman army defeated the Hungarians and allowed the Ottoman Empire to expand its reign.

It’s considered a pivotal moment for Ottoman expansion into Southern Europe. In fact, this battle is so historically significant, it was chosen as the start date for a popular video game called Europa Universalis IV.

Feudalism in Medieval Europe

One of the most immediately obvious details of this map of medieval Europe is how fragmented Western Europe was at the time.

This vast array of independent territories technically made up the Holy Roman Empire (the empire’s borders are highlighted in green on the map). But why was the Holy Roman Empire so fragmented?

holy roman fragments

The empire was subdivided into individually governed entities at the time. These independent territories were governed by nobility rather than an absolute monarch. This was possible because the empire was run by the feudal system.

For the non-history buffs reading this, the feudal system was a socio-political system largely characterized by its lack of public authority. Theoretically, it was meant to have a distinct hierarchy:

  1. Monarchs
    At the top of the feudal food chain, monarchs were meant to hold absolute power over their land. However, many lords held so much power over their manors that the monarch acted more as a figurehead.
  2. Lords and Ladies (Nobility)
    The nobility was supposed to act as middle management— they were in charge of managing the land and the peasants who worked on it.
  3. Knights
    Protectors of the land, knights followed a strict code of conduct, known as chivalry. If they failed to follow their chivalry, their title and land was taken from them.
  4. Peasants
    A majority of the medieval population was made up of peasants, who did all the work on the land so lords and knights could plan and prepare for war.

Between the 1200-1400s, battles between nobles and monarchs were almost constant, and the map shows a time when estates were largely governed by the nobility. However, it’s important to note that in the years following 1444, monarchs gradually began to regain their power.

Eventually, governing became more consolidated, and this gradual transition to absolute monarchy marked the early stages of what we now recognize as nation states.

Mighty Lithuania

One very prominent and perhaps surprising section of the map is the Grand Duchy of Lithuania, which today would include large portions of Poland, Belarus, and Ukraine. This snapshot depicts Lithuania at the height of its power, when their territory stretched all the way from the Baltic Sea down to the Black Sea, near Crimea.

Over time power ebbs and flows, and today Lithuania is a much more compact nation.

Staying Power

Europe’s borders have shifted constantly over the long history of the continent, but one area has remained remarkably consistent. On the map above, Portugal looks nearly identical to its present day form. This is because the country’s border with Spain–one of the world’s oldest–has barely shifted at all since the 13th century.

Zooming in on the South: The Rise of the Ottoman Empire

While the Holy Roman Empire was highly fragmented, other empires were much more unified.

For instance, the Ottoman Empire had a much more centralized governing system. In 1444, it was ruled by Fatih Sultan Mehmed (which is Turkish for Sultan Mehmed, the Conqueror). During his reign, the Ottoman Empire conquered Constantinople (now known as Istanbul), which had been ruled by the Byzantine Empire for over a thousand years before the Ottoman army seized power.

Because the Byzantine Empire was what was left of the Roman Empire, this takeover also marked the final fall of the Roman Empire.

Maps Freeze Time

Historical maps are fascinating because they provide a snapshot of the world as it once was (but no longer is).

As previously mentioned, Europe’s borders were (and still are) constantly changing. And it’s interesting to look back on previous eras to remember how far we’ve come.

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Misc

Explainer: What to Know About Monkeypox

What is monkeypox, and what risk does it pose to the public? This infographic breaks down the symptoms, transmission, and more.

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Explainer: What to Know About Monkeypox

The COVID-19 pandemic is still fresh in the minds of the people around the world, so it comes as no surprise that recent outbreaks of another virus are grabbing headlines.

Monkeypox outbreaks have now been reported in multiple countries, and it has scientists paying close attention. For everyone else, numerous questions come to the surface:

  • How serious is this virus?
  • How contagious is it?
  • Could monkeypox develop into a new pandemic?

Below, we answer these questions and more.

What is Monkeypox?

Monkeypox is a virus in the Orthopoxvirus genus which also includes the variola virus (which causes smallpox) and the cowpox virus. The primary symptoms include fever, swollen lymph nodes, and a distinctive bumpy rash.

There are two major strains of the virus that pose very different risks:

  • Congo Basin strain: 1 in 10 people infected with this strain have died
  • West African strain: Approximately 1 in 100 people infected with this strain died

At the moment, health authorities in the UK have indicated they’re seeing the milder strain in patients there.

Where did Monkeypox Originate From?

The virus was originally discovered in the Democratic Republic of Congo in monkeys kept for research purposes (hence the name). Eventually, the virus made the jump to humans more than a decade after its discovery in 1958.

It is widely assumed that vaccination against another similar virus, smallpox, helped keep monkeypox outbreaks from occurring in human populations. Ironically, the successful eradication of smallpox, and eventual winding down of that vaccine program, has opened the door to a new viral threat. There is now a growing population of people who no longer have immunity against the virus.

Now that travel restrictions are lifting in many parts of the world, viruses are now able to hop between nations again. As of the publishing of this article, a handful of cases have now been reported in the U.S., Canada, the UK, and a number of European countries.

On the upside, contact tracing has helped authorities piece together the transmission of the virus. While cases are rare in Europe and North America, it is considered endemic in parts of West Africa. For example, the World Health Organization reports that Nigeria has experienced over 550 reported monkeypox cases from 2017 to today. The current UK outbreak originated from an individual who returned from a trip to Nigeria.

Could Monkeypox become a new pandemic?

Monkeypox, which primarily spreads through animal-to-human interaction, is not known to spread easily between humans. Most individuals infected with monkeypox pass the virus to between zero and one person, so outbreaks typically fizzle out. For this reason, the fact that outbreaks are occurring in several countries simultaneously is concerning for health authorities and organizations that monitor viral transmission. Experts are entertaining the possibility that the virus’ rate of transmission has increased.

Images of people covered in monkeypox lesions are shocking, and people are understandably concerned by this virus, but the good news is that members of the general public have little to fear at this stage.

I think the risk to the general public at this point, from the information we have, is very, very low.
–Tom Inglesby, Director, Johns Hopkins Center for Health Security

» For up-to-date information on monkeypox cases, check out Global.Health’s tracking spreadsheet

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The Top 10 Largest Nuclear Explosions, Visualized

Just how powerful are nuclear bombs? Here’s a look at the top 10 largest nuclear explosions.

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infographic comparing the top 10 largest nuclear explosions

The Top 10 Largest Nuclear Explosions, Visualized

Just how powerful are nuclear explosions?

The U.S.’ Trinity test in 1945, the first-ever nuclear detonation, released around 19 kilotons of explosive energy. The explosion instantly vaporized the tower it stood on and turned the surrounding sand into green glass, before sending a powerful heatwave across the desert.

As the Cold War escalated in the years after WWII, the U.S. and the Soviet Union tested bombs that were at least 500 times greater in explosive power. This infographic visually compares the 10 largest nuclear explosions in history.

The Anatomy of a Nuclear Explosion

After exploding, nuclear bombs create giant fireballs that generate a blinding flash and a searing heatwave. The fireball engulfs the surrounding air, getting larger as it rises like a hot air balloon.

As the fireball and heated air rise, they are flattened by cooler, denser air high up in the atmosphere, creating the mushroom “cap” structure. At the base of the cloud, the fireball causes physical destruction by sending a shockwave moving outwards at thousands of miles an hour.

anatomy of a nuclear explosion's mushroom cloud

A strong updraft of air and dirt particles through the center of the cloud forms the “stem” of the mushroom cloud. In most atomic explosions, changing atmospheric pressure and water condensation create rings that surround the cloud, also known as Wilson clouds.

Over time, the mushroom cloud dissipates. However, it leaves behind radioactive fallout in the form of nuclear particles, debris, dust, and ash, causing lasting damage to the local environment. Because the particles are lightweight, global wind patterns often distribute them far beyond the place of detonation.

With this context in mind, here’s a look at the 10 largest nuclear explosions.

#10: Ivy Mike (1952)

In 1952, the U.S. detonated the Mike device—the first-ever hydrogen bomb—as part of Operation Ivy. Hydrogen bombs rely on nuclear fusion to amplify their explosions, producing much more explosive energy than atomic bombs that use nuclear fission.

Weighing 140,000 pounds (63,500kg), the Ivy Mike test generated a yield of 10,400 kilotons, equivalent to the explosive power of 10.4 million tons of TNT. The explosion was 700 times more powerful than Little Boy, the bomb dropped on Hiroshima in 1945.

#9: Castle Romeo (1954)

Castle Romeo was part of the Operation Castle series of U.S. nuclear tests taking place on the Marshall Islands. Shockingly, the U.S. was running out of islands to conduct tests, making Romeo the first-ever test conducted on a barge in the ocean.

At 11,000 kilotons, the test produced more than double its predicted explosive energy of 4,000 kilotons. Its fireball, as seen below, is one of the most iconic images ever captured of a nuclear explosion.

iconic image of the castle romeo nuclear explosion of 1954

#8: Soviet Test #123 (1961)

Test #123 was one of the 57 tests conducted by the Soviet Union in 1961. Most of these tests were conducted on the Novaya Zemlya archipelago in Northwestern Russia. The bomb yielded 12,500 kilotons of explosive energy, enough to vaporize everything within a 2.1 mile (3.5km) radius.

#7: Castle Yankee (1954)

Castle Yankee was the fifth test in Operation Castle. The explosion marked the second-most powerful nuclear test by the U.S.

It yielded 13,500 kilotons, much higher than the predicted yield of up to 10,000 kilotons. Within four days of the blast, its fallout reached Mexico City, roughly 7,100 miles (11,400km) away.

#6: Castle Bravo (1954)

Castle Bravo, the first of the Castle Operation series, accidentally became the most powerful nuclear bomb tested by the U.S.

Due to a design error, the explosive energy from the bomb reached 15,000 kilotons, two and a half times what was expected. The mushroom cloud climbed up to roughly 25 miles (40km).

As a result of the test, an area of 7,000 square miles was contaminated, and inhabitants of nearby atolls were exposed to high levels of radioactive fallout. Traces of the blast were found in Australia, India, Japan, and Europe.

#5, #4, #3: Soviet Tests #173, #174, #147 (1962)

In 1962, the Soviet Union conducted 78 nuclear tests, three of which produced the fifth, fourth, and third-most powerful explosions in history. Tests #173, #174, and #147 each yielded around 20,000 kilotons. Due to the absolute secrecy of these tests, no photos or videos have been released.

#2: Soviet Test #219 (1962)

Test #219 was an atmospheric nuclear test carried out using an intercontinental ballistic missile (ICBM), with the bomb exploding at a height of 2.3 miles (3.8km) above sea level. It was the second-most powerful nuclear explosion, with a yield of 24,200 kilotons and a destructive radius of ~25 miles (41km).

#1: Tsar Bomba (1961)

Tsar Bomba, also called Big Ivan, needed a specially designed plane because it was too heavy to carry on conventional aircraft. The bomb was attached to a giant parachute to give the plane time to fly away.

The explosion, yielding 50,000 kilotons, obliterated an abandoned village 34 miles (55km) away and generated a 5.0-5.25 magnitude earthquake in the surrounding region. Initially, it was designed as a 100,000 kiloton bomb, but its yield was cut to half its potential by the Soviet Union. Tsar Bomba’s mushroom cloud breached through the stratosphere to reach a height of over 37 miles (60km), roughly six times the flying height of commercial aircraft.

The two bombs dropped on Hiroshima and Nagasaki had devastating consequences, and their explosive yields were only a fraction of the 10 largest explosions. The power of modern nuclear weapons makes their scale of destruction truly unfathomable, and as history suggests, the outcomes can be unpredictable.

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