Sunday, September 13, 2026

What Should We Call the Twentieth Century?

 Every age eventually acquires a name.

The names are rarely chosen by the people who lived through the period. They are imposed later, when the immediate passions have faded and historians can look backward with greater distance. We call one period the Renaissance, another the Enlightenment, another the Industrial Revolution. Such names inevitably simplify enormously complicated periods, but they also reveal something about how later generations understand the world that came before them. So what will future historians call the twentieth century?

We tend to think of it as the century of extraordinary progress: the century of science, technology, mass education, longer lives, antibiotics, aviation, space exploration, computing, and unprecedented economic growth. All of that is true. But it is only part of the story.

The twentieth century was also a period of extraordinary violence, social upheaval, ideological conflict, consumerism, mass communication, financial transformation, and an increasingly sophisticated ability to manipulate information. It may therefore acquire a very different collection of names from those we would instinctively choose today.

Here are ten possibilities.

The Age of Greed

The twentieth century witnessed an extraordinary expansion of wealth, but it also saw the increasing elevation of material accumulation as a measure of success. Economic growth became not merely a means of improving human welfare but, increasingly, an objective in itself.

Consumerism transformed societies. Advertising encouraged people to define themselves through what they purchased, while financial systems became increasingly sophisticated at converting almost every aspect of human activity into something that could be bought, sold, or speculated upon.

Future historians may look back and conclude that we became extraordinarily good at creating wealth—and extraordinarily poor at deciding when enough was enough.

The Age of Insanity

The twentieth century produced some of humanity's most remarkable achievements alongside some of its most horrifying acts.

Two world wars, genocide, totalitarian regimes, nuclear weapons, and industrialized mass killing all emerged from societies that simultaneously regarded themselves as increasingly rational and civilized.

Perhaps that contradiction will be one of the century's defining characteristics.

We developed the ability to send humans into space while perfecting ways of destroying millions of people on Earth. We expanded our understanding of psychology while creating political systems capable of manipulating entire populations.

Future generations may reasonably wonder whether the twentieth century was an age of rationality—or an age in which rationality became extraordinarily effective at serving irrational purposes.

The Era of Border Collapse

For much of human history, geography imposed powerful limitations on human interaction. The twentieth century began to dismantle those barriers.

Steamships, railways, aircraft, telephones, radio, television, and eventually digital communications compressed the world. Political borders remained, but their ability to isolate populations weakened.

People, capital, ideas, diseases, technologies, and cultures could cross boundaries at speeds previously unimaginable.

The century therefore began the transformation of humanity from a collection of relatively isolated societies into something resembling a single, interconnected system.

The Age of the Frivolous

Mass production created something historically unusual: enormous numbers of people with access to goods and entertainment that previous generations could scarcely have imagined.

Popular culture became a global force. Music, cinema, sport, fashion, celebrity, advertising, and eventually television occupied an increasing proportion of everyday life.

There is nothing inherently wrong with frivolity. Human beings need entertainment. But future historians may ask whether the twentieth century marked the point at which entertainment ceased to be merely a diversion and became one of the principal organizing forces of society.

The First Media Age

The twentieth century was the first period in which mass media became an unavoidable part of everyday life.

Newspapers reached enormous audiences. Radio brought voices into people's homes. Cinema created shared visual experiences. Television eventually placed moving images into virtually every living room.

For the first time, governments, corporations, political movements, and individuals could communicate simultaneously with millions of people.

This transformed politics and culture—but it also transformed persuasion.

The century may therefore be remembered as the moment when humanity first learned how powerful control over information could become.

The Era of Total War

If one characteristic of the twentieth century stands above almost all others, it may be war.

The First and Second World Wars transformed warfare from conflicts largely fought between armies into struggles in which entire populations became targets and participants. Industrial production, science, transportation, communications, and bureaucratic organization were all harnessed to the machinery of war.

The ultimate expression of this development was the atomic bomb.

Humanity acquired, for the first time, the technological ability to destroy civilization on a global scale.

The twentieth century therefore became the century in which war ceased to be merely a contest between nations and became a potential threat to the survival of humanity itself.

The Era of Protest

The twentieth century was also an age of protest.

Workers, women, racial minorities, students, colonial populations, political dissidents, and countless other groups challenged established authorities and social structures. Civil rights movements, anti-war demonstrations, independence movements, feminism, environmentalism, and student rebellions all contributed to a growing rejection of inherited authority.

The century did not simply change because governments decided to change it.

It changed because ordinary people increasingly demanded that it change.

The Age of Virtual Gold

Money itself underwent a remarkable transformation.

For centuries, wealth had been closely associated with physical things: land, livestock, precious metals, buildings, and tangible goods. During the twentieth century, however, an increasing proportion of wealth became abstract.

Money increasingly became numbers recorded in ledgers rather than objects that could be physically possessed. Credit, stocks, bonds, derivatives, electronic transfers, and increasingly complex financial instruments created enormous quantities of what might be called virtual wealth.

The twenty-first century would take this process even further, but its foundations were laid during the twentieth.

Future historians may therefore see the period as the beginning of the age in which wealth became increasingly detached from anything tangible.

The Era of Growth Obsession

The twentieth century developed an extraordinary faith in economic growth.

Governments measured progress through production, income, consumption, employment, and gross domestic product. Growth became synonymous with prosperity, and prosperity became one of the principal measures of successful government.

But the planet has physical limits.

The century dramatically expanded humanity's ability to extract resources, transform landscapes, consume energy, and produce goods. It also began to reveal the environmental consequences of doing so.

Future historians may therefore see the twentieth century as the period when humanity became obsessed with the idea that tomorrow must always be larger than today.

The Age of Disinformation

Finally, the twentieth century may be remembered as the period in which humanity became extraordinarily sophisticated at manufacturing belief.

Propaganda was nothing new. Governments had always attempted to influence populations. What changed was the scale and technological sophistication of the enterprise.

Radio, film, television, advertising, public relations, political messaging, and eventually the internet created an environment in which information could be manufactured and distributed to enormous populations almost instantaneously.

The distinction between information and persuasion became increasingly blurred.

By the end of the century, humanity possessed more information than any previous generation—and simultaneously faced greater difficulty determining what information could be trusted.

Perhaps that is the ultimate irony of the twentieth century.

We developed unprecedented means of discovering the truth while simultaneously developing unprecedented means of obscuring it.

So, What Should We Call It?

It could be that no single name will ever adequately describe the twentieth century.

It was the Age of Greed and the Age of Insanity. It was the Era of Total War and the Era of Protest. It was the beginning of mass media, global interconnectedness, virtual wealth, economic obsession, and industrial-scale information manipulation.

It was also a century of extraordinary human achievement.

Perhaps that contradiction is what future historians will find most fascinating. The twentieth century was a period in which humanity simultaneously became more powerful, more knowledgeable, more interconnected, and more dangerous.

We learned how to split the atom, leave the planet, communicate across oceans, manipulate genes, and build machines capable of extraordinary computation.

But we never quite solved the older problem: What should we do with all this power?

In the end, that is what the twentieth century was really about—the century in which humanity acquired extraordinary power without acquiring an equally extraordinary understanding of how to use it.


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