The History of Mapmaking: From Early Cartography to Modern World Maps
Joe Flower
Recruitment Lead - IT and Contract Canada and US @ Linxus Group Inc. | Identity Governance
Maps have been essential tools for navigation, exploration, and understanding the world around us for millennia. The creation of the first maps was driven by humanity’s need to document, navigate, and understand the geography of the land. But early maps were far from accurate by modern standards, and the way we perceive the size and scale of countries today is influenced by centuries of evolving cartographic techniques. This article explores the history of mapmaking, why maps were created, and how early maps were often "off" in terms of the size of countries—leading to distorted perceptions of our world.
Why Were the First Maps Created?
The origins of mapmaking trace back to ancient civilizations, where maps were more about serving practical purposes—navigation, trade, warfare, and territorial control—rather than artistic endeavors or scientific accuracy.
1. Navigation and Exploration
One of the primary reasons early maps were created was for navigation. Ancient sailors, traders, and explorers needed a way to navigate the seas and the land. The Babylonians (around 2300 BCE) are credited with creating some of the first known maps. These maps were often etched on clay tablets and depicted local regions and waterways, helping early travelers find their way. Similarly, the Phoenicians, seafaring traders of the Mediterranean, created early maps to aid in maritime navigation.
2. Territorial Control and Warfare
Another reason maps were created was for territorial control. Ancient civilizations, including the Egyptians, Greeks, and Romans, needed accurate representations of their domains for military strategy and political control. Maps allowed rulers to understand the extent of their empires, plan for defense, and direct armies.
3. Religious and Symbolic Purposes
Some early maps also had symbolic or religious purposes. For instance, medieval European maps, such as T-O maps (which depicted the world as a circle with three continents—Asia, Europe, and Africa—divided by a "T" shape), were designed less for practical use and more to reflect a theological worldview. The Earth was often seen as the center of the universe in these maps, with Jerusalem depicted as the focal point.
Early Mapmaking and Its Limitations
While the need for maps has existed since the dawn of human civilization, early maps were often highly inaccurate. The tools and techniques available to ancient mapmakers were limited, and they lacked the scientific knowledge and technology that we have today.
1. Geometrical Distortions
The first maps were generally quite rudimentary, often focusing on the local area rather than the entire world. Early maps often depicted geographic features based on human perception rather than actual measurements. Many early maps were created without knowledge of the earth’s spherical shape. Instead, mapmakers typically depicted the world in flat, two-dimensional forms, leading to significant distortions in the size and shape of landmasses.
For example, the Ptolemaic maps of the ancient Greeks (circa 150 CE) were based on the understanding that the Earth was a sphere, but they still lacked accurate measurements of distances and the true extent of the world’s continents. They had a basic concept of latitude and longitude, but their maps were still highly speculative, relying on hearsay, exploration reports, and limited knowledge.
2. The Ptolemaic System
The work of the Greek geographer Claudius Ptolemy is an essential milestone in the history of mapmaking. In the 2nd century CE, Ptolemy published a comprehensive treatise called the Geographia, which included instructions for creating maps based on a grid of latitude and longitude. While Ptolemy’s work was groundbreaking for its time, the coordinates he used for many locations were often inaccurate, and he significantly underestimated the size of Asia. He also overestimated the distance between Europe and Asia, which led to the later misconception that the Earth was smaller than it actually was.
3. Medieval Maps
During the Middle Ages, mapmaking in Europe was dominated by a religious and symbolic worldview. Maps like the Mappa Mundi (often used in European churches) depicted the world as a series of theological and cultural concepts rather than geographic realities. One of the most famous medieval maps, the Hereford Map (circa 1300), shows an exaggeratedly large and central Asia, which was linked to the idea of the Earth’s divine order rather than the actual dimensions of the continent.
The Emergence of Accurate Maps and the Mercator Projection
It wasn’t until the Age of Exploration in the 15th and 16th centuries that more accurate maps began to emerge. With the development of better navigational instruments (like the compass, astrolabe, and sextant), explorers could more precisely measure latitude and longitude, making maps of the world more accurate.
1. The Mercator Projection (1569)
One of the most significant advancements in mapmaking came in 1569 with the Mercator projection, created by the Flemish cartographer Gerardus Mercator. This projection was revolutionary because it allowed sailors to plot straight lines (loxodromes) on the map, making navigation at sea far more efficient. However, the Mercator projection also introduced significant distortions, especially near the poles.
The Mercator projection stretches the size of landmasses near the poles, making regions like Greenland and Antarctica appear much larger than they actually are. In contrast, areas near the equator, such as Africa and South America, appear smaller than they are in reality. While the Mercator projection was useful for navigation, it did not accurately represent the true size of countries and continents.
2. The Problem of Scale
The distortion introduced by the Mercator projection continues to affect how we perceive the size of countries on world maps today. For example:
While the Mercator projection was an important tool for navigation, its distortion of scale has contributed to a long-standing misrepresentation of the relative sizes of countries. Other projections, such as the Gall-Peters projection (which aims to provide a more accurate relative size of countries), have been developed to address these inaccuracies, but the Mercator projection continues to dominate most modern world maps.
The Psychological Impact of Distorted Maps
The way the world is represented on maps has significant implications for how we perceive the size and importance of countries. The Mercator projection and its distortion of scale, in particular, have shaped public perceptions in ways that may not reflect reality.
1. Cultural and Political Perception
Maps shape how we view countries and continents in relation to one another. For example, the North-South divide is often visually exaggerated in Mercator projections, reinforcing the idea that countries in the Global South (Africa, Latin America) are less important or smaller than they really are. This can influence public opinion and policy, leading to an underestimation of the economic, cultural, and political significance of these regions.
2. Educational Implications
For students and casual map readers, the distorted size of countries can affect their understanding of global geography. For example, children who grow up with Mercator maps might be unaware of the true size of Africa, leading to skewed perceptions about the geography of the continent. In turn, this can influence everything from political awareness to global citizenship.
Conclusion: The Evolution of Maps and the Need for Perspective
The history of mapmaking reflects humanity’s evolving understanding of the world. From the early Babylonian clay tablets to the modern digital maps of today, maps have served as powerful tools for navigation, exploration, and control. Early maps were crude, often distorted, and heavily influenced by the prevailing worldviews of their time. However, even today, many of the maps we use are still flawed, particularly in terms of how they represent the size and scale of countries.
While the Mercator projection has been instrumental in navigation, its distortions have contributed to long-standing misconceptions about the relative size of countries and continents. As technology advances and we gain new insights into geography, it's important to recognize that no map can perfectly represent the complexity of the world. Alternative projections, such as the Gall-Peters projection or the Winkel Tripel projection, offer more accurate representations of the world’s true proportions and can help us develop a more nuanced understanding of our global landscape. By rethinking how we view and use maps, we can help correct the misperceptions that have shaped our world for centuries.