Donate Log in Create account

Menu

Navigation

Main page
Capsules
Learning
Mapping
Rankings
Organizations
Create
Forums
Research

Interaction

Messages
Verify
Help
About Capsule

Display

Appearance

Environment

EnvironmentsDefault

Navigation

Main page
Capsules
Learning
Mapping
Rankings
Organizations
Create
Forums
Research

Interaction

Messages
Verify
Feedback
Help
About Capsule

Truth Classification

Fact
Theory
Hypothesis
Proven
Contested
Debunked

How classification works

Capsule of the Day

DebunkedThe PolygraphThe instrument popularly called a lie detector, which records breathing, blood pressure, pulse and skin conductance dur…

New in the Library

FactTardigrade
FactMonarch Butterfly
FactSpider

Capsule

© 2026 Solis Holdings Group Inc. All rights reserved.

Built by Solis Dev, a technology studio operating under Solis Holdings Group Inc.

Policy
Terms of Use
Methodology
Corrections
Non-partisanship
Transparency
Developers
About
Discord
Sitemap

Capsule, the capsule-pill mark, and the clock logo are trademarks of Solis Holdings Group Inc. All content, source code, and design assets are the exclusive property of Solis Holdings Group Inc., unless otherwise noted. Unauthorized reproduction is prohibited.

The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028 Fact599 Proven130 Theory89 Hypothesis71 Contested90 Debunked48

geography236 biology88 physics67 history54 medicine45 astronomy33 psychology26 mathematics26 chemistry20 engineering20 astrophysics19 neuroscience19 anthropology18 art18

Filtered byFact history history Clear all

Results

Showing 1 to 20 of 46

Newest Most voted A to Z

Fact· Historical

World War I

World War I (1914 to 1918), known at the time as the Great War, was one of the deadliest conflicts in history, killing around 20 million people and…

0 votes0 reviews

Fact· Historical

The Manhattan Project

The Manhattan Project was a secret American research effort during World War II that produced the first atomic bombs. A vast scientific and…

byCapsule0 votes0 reviews

Fact· Historical

The Black Death

The Black Death was a devastating plague that swept through Europe, Asia, and North Africa in the mid 1300s, killing tens of millions of people. One…

byCapsule0 votes0 reviews

Fact· Historical

World War II

World War II (1939 to 1945) was the deadliest and most widespread conflict in human history, involving most of the world's nations and claiming an…

byCapsule0 votes0 reviews

Fact· Historical

The Titanic

The Titanic was a British ocean liner that sank in 1912 on its very first voyage after striking an iceberg, killing about 1,500 people. The disaster…

byCapsule0 votes0 reviews

Fact· Historical

Winston Churchill

Winston Churchill (1874 to 1965) was a British statesman who served as Prime Minister during the Second World War and led the United Kingdom through…

byCapsule0 votes0 reviews

Fact· Historical

Barack Obama

Barack Obama (born 1961) is an American politician who served as the 44th President of the United States, from 2009 to 2017. The first Black…

byCapsule0 votes0 reviews

Fact· Historical

Diana, Princess of Wales

Diana, Princess of Wales (1961 to 1997) was a member of the British royal family who became one of the most famous and beloved women in the world.…

byCapsule0 votes0 reviews

Fact· Historical

Amelia Earhart

Amelia Earhart (1897 to disappeared 1937) was an American aviation pioneer and the first woman to fly solo across the Atlantic Ocean. A daring record…

byCapsule0 votes0 reviews

Fact· Historical

Malcolm X

Malcolm X (1925 to 1965) was an American Muslim minister and human rights activist, one of the most influential and controversial figures of the…

byCapsule0 votes0 reviews

Fact· Historical

Mother Teresa

Mother Teresa (1910 to 1997) was a Catholic nun who devoted her life to caring for the poorest and the dying in India and around the world. Honoured…

byCapsule0 votes0 reviews

Fact· Historical

Mansa Musa

Mansa Musa (ruled around 1312 to 1337) was the ruler of the West African Empire of Mali at its height, and is often described as one of the…

byCapsule0 votes0 reviews

Fact· Historical

Rosa Parks

Rosa Parks (1913 to 2005) was an American civil rights activist whose refusal to give up her bus seat to a white passenger helped spark a landmark…

byCapsule0 votes0 reviews

Fact· Historical

Napoleon Bonaparte

Napoleon Bonaparte (1769 to 1821) was a French military and political leader who rose during the French Revolution to become Emperor of the French…

byCapsule0 votes0 reviews

Fact· Historical

Martin Luther King Jr.

Martin Luther King Jr. (1929 to 1968) was an American Baptist minister and the most prominent leader of the civil rights movement, which fought to…

byCapsule0 votes0 reviews

Fact· Historical

Cleopatra

Cleopatra (69 to 30 BC) was the last active ruler of ancient Egypt, a shrewd and highly educated queen whose alliances with the most powerful men of…

byCapsule0 votes0 reviews

Fact· Historical

Abraham Lincoln

Abraham Lincoln (1809 to 1865) was the sixteenth President of the United States, who led the nation through its civil war and brought an end to…

byCapsule0 votes0 reviews

Fact· Historical

Mahatma Gandhi

Mahatma Gandhi (1869 to 1948) was the leader of India's independence movement against British rule, famous for his philosophy of nonviolent…

byCapsule0 votes0 reviews

Fact· Historical

The Acropolis of Athens

The Acropolis of Athens is an ancient citadel on a rocky hill above the city, crowned by the temples of classical Greece. Its most famous building,…

byCapsule0 votes0 reviews

Fact· Historical

The Vikings

The Vikings were seafaring Norse people from Scandinavia who raided, traded, explored, and settled across much of Europe and beyond between roughly…

byCapsule0 votes0 reviews

Previous1 2 3Next