Key milestones in the history of the World Health Organization

The United Nations was founded in San Francisco in 1945.

Explore an interactive timeline of the most important moments in the WEF’s history

This interactive traces the World Economic Forum’s evolution from a small European meeting in the 1970s into a global power hub, highlighting pivotal moments in Davos, landmark speeches, and turning points that have shaped its outsized influence on world affairs.

What is vaccination? The World Health Org explains

Read up on the basics of vaccinations with this 101 from the World Health Organization, the public health arm of the United Nations.

The formation of the UN elevated the US on the world stage

This podcast episode of "To the Best of My Ability" from the National WWII Museum goes behind the scenes of the United Nations' founding from the American perspective. It explores how FDR's vision for global peace took shape, how Truman carried it forward, and how Eleanor Roosevelt helped define human rights—set against the backdrop of wartime diplomacy, Cold War tensions, and the San Francisco Conference, where the UN Charter was signed.

A timeline of major pandemics from 1899–2025

Modern pandemics have been defined by the race between globalization (which increases risk) and the development of new medicines. The Great Influenza epidemic claimed some 50 million lives, and the COVID-19 pandemic killed more than 7 million. In between, diseases like Ebola, cholera, AIDS, and more have devastated communities.

Experts suggest where the UN should be reformed

In 2020, as the United Nations marked its 75th anniversary, the Council on Foreign Relations' Council of Councils published a collection of expert essays proposing reforms to enhance the UN's relevance. This collection of essays is a thought-provoking look at the UN's future.

How the internet became the World Wide Web: a visualization

The internet was officially born in 1983 and had more than 150 million global users by 1997, creating an international web of seemingly separate networks. This data visualization shows the growth of the internet from 1997 to 2021. Data in this...

Learn about the history of the Universal Declaration of Human Rights

The Universal Declaration of Human Rights was adopted by the UN General Assembly in 1948. This video explains the history, purpose, preamble, and all 30 articles of the UDHR, which established a universal human rights standard for people worldwide.

Top 25 milestones in WNBA history

During the 2021 season, the WNBA celebrated its 25th anniversary, marking North America's longest-running women’s pro league. This ESPN interactive highlights 25 significant "firsts" and milestones that defined the WNBA's 25-year history.

An interactive timeline of the major events of World War I

World War I took place between July 28, 1914 and November 11, 1918, but a lot happened within that relatively short time. And even more occurred afterward. The comprehensive timeline shows when major and influential events took place during the conflict, accompanied by articles, videos, and other media in support.

An interactive timeline of history, from beginning to middle

The history of humanity is a long, winding road, and the history of everything else is even more complex and interwoven. This interactive timeline takes users through the history of the world and includes links to related videos, blurbs, and events. Each event in history is represented by a dot, providing users with a glittering horizon filled with moments of intrigue and impact.

History of Hong Kong: an illustrated timeline

This visual timeline explores the history of Hong Kong, a Chinese community that was under British rule for 156 years until it was returned in 1997. Hong Kong was ceded to the British via the Treaty of Nanjing, an agreement that ended the First Opium War. This timeline details 25 crucial events that have happened to and in Hong Kong, a Democratic territory that stands apart from mainland China's Communist government.

Health and population surveys from 90 countries

The Demographic and Health Surveys (DHS) Program collects, analyzes, and disseminates data on population, health, HIV, and nutrition. The site compiles data through more than 400 surveys in over 90 countries around the world. Explore demographic...

View this timeline of polio milestones and vaccine development

Polio has a long history in art and medicine, dating back centuries. It includes a representation of an apparent polio survivor with a shriveled leg in ancient Egyptian art. See milestones in the history of polio in this timeline.

See a timeline of landmark discoveries in the field of genetics to gain a better understanding of more than a century of advances.

Mental health is much more than the absence of mental illness, according to its official definition from the World Health Organization.

The history of the World Trade Organization

This episode of the "Brettonomics with Nancy Jackson" podcast explores the history of the WTO and its predecessor, the GATT, revealing the key people, negotiations, and decisions that shaped today's international trade rules.

Explore US public health data

This resource tracks key US health metrics, including mortality causes, child survival rates, and life expectancy comparisons, to inform future health improvements, with regularly updated global estimates.

How Stalin, Roosevelt, and Churchill shaped the postwar world

The Yalta Conference was a pivotal 1945 meeting between Allied leaders that helped shape the postwar global order and laid the groundwork for the founding of the United Nations.

Watch the historic treaty signing that established NATO in 1949

NATO was created with the signing of the North Atlantic Treaty on April 4, 1949, in Washington, DC. The clip embedded in the webpage includes a newsreel with an excerpt from US President Harry Truman’s speech celebrating the historic day.

See a visual record of how Roosevelt helped build the United Nations

When President Truman appointed Eleanor Roosevelt to the first US delegation to the UN in 1946, her male colleagues assigned her to a minor committee, assuming she would play a minor role. In the end, she became one of the delegation's most effective negotiators—and chaired the drafting of the Universal Declaration of Human Rights.

100 years of passenger air travel: a visual guide

This interactive timeline covers the first 100 years of passenger air travel, which was created in 1925 when the U.S. Post Office allowed private airlines to start delivering mail.

The WTO is the global body that sets and enforces the rules of international trade

Founded in 1995, with 164 member countries, the WTO negotiates trade agreements, resolves disputes between nations, and aims to reduce barriers to international commerce.

The 1941 Atlantic Charter was a World War II alliance and model for the UN

The Atlantic Charter was a pivotal 1941 agreement between Franklin D. Roosevelt and Winston Churchill, outlining shared goals for a post-World War II world rooted in freedom and self-determination. These ideals later inspired the founding principles of the United Nations.

The League of Nations was the predecessor to the UN—and the US never joined

The League of Nations—established in 1920 after World War I—was the first global organization aimed at maintaining world peace. Although US President Woodrow Wilson championed its creation, the United States never joined.

The Bretton Woods conference in 1944 created the foundations of the modern global economy

In July 1944, 44 nations gathered in Bretton Woods, New Hampshire, to create a new postwar economic order. The conference led to the creation of the IMF and the International Bank for Reconstruction and Development—now known as the World Bank.

The measles vaccine has saved an estimated 94 million lives since its introduction.

The UN's primary goal is to promote peace and cooperation

The UN's self-proclaimed mission is to promote peace, protect human rights, and tackle global challenges like poverty and climate change. The About Us page on the UN's website is a good entry point to understand how this international organization works and its impact in today's world.

The Walt Disney Co. has existed for over 100 years

October 16, 2023, marked the 100th anniversary of The Walt Disney Co. In that time, it has evolved from a modest animation studio called the Disney Brothers Cartoon Studio to a massive, billion-dollar conglomerate.

The origins of World Laughter Day

Every first Sunday of May worldwide, World Laughter Day is observed, where people gather in public places and laugh. Dr. Madan Kataria developed the ritual based on the facial feedback hypothesis, which posits our facial expressions can affect our mood. The day, first started in 1998 in India, has grown exponentially in recent years. Meet the chortler-in-chief here.

Under-5 child mortality has been cut in half since 2000, UNICEF reports

The United Nations Children's Fund works globally to protect children's rights and well-being. Its 2024 report on child mortality reveals that under-5 deaths have halved since 2000. The report includes interactive data visualizations that can be sorted by year or topic.

A 1954 outbreak at a Boston boarding school allowed scientists to isolate the measles virus and formed the basis for the first measles vaccine.

The history of the Women's World Cup

The tournament began in 1991 with the US team winning. Since then, it's gradually become an international phenomenon. This resource from the National Women's History Museum traces how it evolved.

Roughly 10% of the world's population is older than 65 (2023 data)

With recent advances in medicine, sanitation, and nutrition, expected lifespans have rapidly risen around the globe—resulting in a rapidly aging global population. The worldwide distribution has seen a nearly 600% jump in the population of people aged 65 and older.

The United States is the world's oldest continuously operating federal system under a written constitution

The US pioneered federalism in the late 18th century, and many countries later adopted federal systems to manage conflict and share power. This resource features interactive maps that trace the spread of federal systems worldwide from 1900 to the present.

See a collection of mental health cartoons.

The UN’s interactive site analyzing the world’s population

The 2022 revision of World Population Prospects contains the official population estimates and projections from the United Nations. It presents population estimates from 1950 to present for 237 countries or areas around the world. The data consider...

What are the human rights issues facing the world today?

This video debates the modern relevance of the UN's Universal Declaration of Human Rights. The world has seen multiple examples of genocide, war crimes, and crimes against humanity since the document was signed over 70 years ago. Now, many...

There are 6 primary governing bodies at the UN

The United Nations is structured around six main bodies: the General Assembly, Security Council, Economic and Social Council, Trusteeship Council, International Court of Justice, and Secretariat. Each plays a distinct role in promoting peace, justice, and cooperation worldwide.

An interactive timeline of history's famous figures

The past few millennia of humankind have produced numerous figures who left their mark on culture and society in their respective era. This interactive timeline from data visualization expert Jan Willem pulls data from Wikipedia to illustrate history's most important people relative to their prominence in modern-day thought.

The first official Women's World Cup was in 1991

The first unofficial Women’s World Cup was played in 1970 in Italy, and momentum grew throughout the 1980s with multiple international tournaments. In 1988, FIFA tested the event's viability with a 12-team invitational in China. The first official Women’s World Cup was held in 1991 in China, and was won by the US.

Experience 14 billion years of important moments in world history with this scrollable interactive timeline.

A majority in surveyed countries approve of the UN

A 2024 Pew Research Center survey found that a median of 58% across 35 countries viewed the UN favorably, while 31% held unfavorable views. Notably, younger adults tended to view the UN more positively than older generations. The report offers a detailed, country-by-country analysis of global perceptions of the UN.

Revisit 10 iconic moments from the Women's World Cup

The Women's World Cup was inaugurated over 60 years after the men's, but it has kept pace with its production of iconic moments. Revisit the player revolts, sports bras, shocking referee decisions, and more that comprise the top moments in Women’s...

The history of the world map

What did people used to think the world looked like? From the beginning of human history to right before the age of exploration, learn how the world maps were created.

Timeline of cancer research milestones

While cancer remains incurable, there's been so much progress in its treatment over the last two decades. Nature provides an abridged history of milestones and major triumphs in cancer research and treatment. Start in the year 2000, and see how much has changed in the first quarter of the new millennium

Fully sequenced human genome will help scientists better understand disease

April marks the 20-year anniversary of the completion of the Human Genome Project, a monumental achievement that provided the first map of the human genetic code and advanced our understanding of human biology, disease, and potential treatments....

See a timeline of commercial radio history

Radio, as we know it, began in the 1910s. This FCC timeline traces the evolution of the medium over the century that followed, highlighting groundbreaking broadcasts, speeches, and technological breakthroughs.

A timeline of Google's growth

As of 2025, Google will approach its third decade of existence. A period that's seen the company go from dominating the search market to the launch of one billion-user product after another, from Gmail to YouTube. This detailed timeline lays out what happened when, laying out Google's history in detail. It marks key milestones, like the introduction of Google Maps, and what year they happened.

See a collection of LIFE's most iconic photos in history

Famous images, like a sailor kissing a nurse in Times Square to celebrate the end of World War II, are each shared with context in this article. See some of history's most famous moments from a unique point of view, including photos of Marilyn Monroe, the Beatles, and Muhammad Ali.