The symbol for Eagle is often used on for example coat of arms and flags. The sign, in this example, is used in the US as great seal for official documents and pasports.
Eagle
Rod of Asclepius
This symbol for medicine originates from ancient Greece, where it is named is after the Greek god of medicine Asklepios. The symbol can be explaned as a staff with a serpent twisted around it.
Dove as a peace symbol
A white dove is a symbol for peace and originates from Christianity. In the old testament is refered to the flood myth, where a white dove is part of the story.
Earth (alchemy)
This symbol for Earth is used in the alchemy and probably originates from the middle ages when during the 14th and 15th century the practise of alchemy was banned, mainly by the church.
Yin and Yang (Taijitu)
The Yin and Yang sign originates from China and is mentioned for the first time in "I Ching" (Book of change). Yin and Yang stands for oposites and is used in different contexts.
Shell of Saint James
The Shell of Saint James is a Christian symbol and symbolizes the holy Saint James. Since the middle ages the shell is the symbol is synonym with Saint James of Santiago de Compostella.
Huguenot cross
The huguenot cross is a Christian symbol that probably dates back to the 17th century, although it actually evoluated during the centuries.
Libra
The symbol for Libra is being used in Astrology and Astronomy. Libra is part of the Zodiac which originates from the time that people started to have the need to prodict.
Percent sign (%)
The percent sign symbolizes 1 per 100 fraction of something an is used to indicate the amount of 1 per 100 parts of someting.
Labarum (Chi Rho)
This symbol is also called Christmonogram. The sign is a aggregation of the letters Chi (x) and Rho (P) from the Greek alphabet.
Celtic cross
This symbol is one of the best known celtic crosses. Celtic crosses originate from 8th century England en Ireland. The sign is probably inspired by the go Odin from Nordic mythology.
Maltese Cross
This sign symbolizes the Maltese cross. This cross was used by crusaders. The sign was used for the first time in the 11th century. The sign originates from the Ephese cross.
Poison sign
This symbol is meant to warn for poison and dates back to the time of the Knights Templar, in the middle ages around the year 1100.
Adinkrahene
This sign originates from West-Africa and dates back to the year 1800. The sign is used on music instruments, especially on jembe's.
Hathor
This symbol stands for the Egyptian goddess Hathor. Hathor was among others the goddess of love, music and beauty. The sign can be explained as the head of a cow with horns and between the horns the sun (or moon).
Triskel
This symbol is a Triskele of Triskelion. Triskelion is Greek for three-legged, which you could make of this sign with a little fantasy. There are different stories about the origin of this sign, but the most probable origin is Keltc.
Water (Alchemy)
This symbol for water is used in the alchemy and probably originates from the middle ages when during the 14th and 15th century the practise of alchemy was banned, mainly by the church.
Biological hazard
This symbol of american origin, but is international used for organic substances that can be dangerous for the public health or animals.
Yen sign (¥)
This sign symbolizes the Japanese currency Yen. The sign originates from the Latin alphabeth and is especially used in de western world.Swastika
The Swastika originates probably from far before Christ. It was (and still is) used in different religions (Hinduism, Jainism, Buddhism) and in different shapes.
Clef
This symbol for clef is being used for music. The clef is placed on the staff to indicate the pitch of the notes that follow the clef (until the next new clef).
Heart
This is probably the most known and the most international symbol in the world. The heart as you know symbolizes love, but is also connected to other emotions.
Ankh
The symbol Ankh originates most likely from the Egyptian mythology and represents life and eternal life. The symbol has been found a lot on paitings in tombs and painted on objects.
Venus (female)
The symbol Venus symbolizes mainly the female gender and stands for de planet Venus. The symbol originates from the Roman godess of love Venus (similar to the geek godess Aphrodite).
Ohm symbol
The Ohm (or Aum) sign represents a holy syllable from hindoeistic and boedistic prayers.
Pound sign (£)
In old times the pound was only in use as weight, without the use of a symbol.
Aries
The symbol for Aries is being used in Astrology and Astronomy. Aries is part of the Zodiac which originates from the time that people started to have the need to prodict.
Capricorn
The symbol for Capricorn is being used in Astrology and Astronomy. Capricorn is part of the Zodiac which originates from the time that people started to have the need to prodict.
Smiley
The symbol for smiley is designed by Harvey Ball, as an assignment from the insurance company State Mutual Assurance Company.Pluto
This symbol stands among others for the Roman god Pluto (god of the underground) and the planet Pluto (named after the roman god). The symbol can be explained as the initials of it's predictor Percival Lowell or the first 2 letters of Pluto. Accross each other they form this sign.
Pi
The symbol pi is especially known and used in mathematics. In mathematics it symbolizes the value pi that indicates the ratio between it's circumference and it's diameter.
Mercury
This sign symbolizes the Roman god Mercury and the planet Mercury (named after the Roman god). The symbol can be explained as a winged helmet above a staff.
Lion (Astrology, Astronomy)
This symbol for Leo is being used in Astrology as as well as in Atronomy. In Astrology Leo is part of the Zodiac which originates from the time that people started to have the need to prodict.
Cross
The cross used to be an oriëntal torturetool used in China, India, persia en Babilon. But the cross was not only used as torture tool by these peoples.
And-sign (ampersand or &)
The and-sign, ampersand or & originates from the letters "et" meaning "and" in Latin.Dharmawheel
The dharmawheel or dharmacakra is a Buddhist symbol, of hinduistic origin. This symbol represents a wheel with 8 spokes.
Hands of God
This symbol originates form the time before Christ and was mainly in use bij Slavic peoples and the Vandals.
Virgin
The symbol for Virgin is being used in Astrology and Astronomy. Aries is part of the Zodiac which originates from the time that people started to have the need to prodict.
Euro sign (€)
The euro sign is the symbol that stands for the currency euro. The symbols design is based on the letter epsilon from the greek alphabet and has similarities with the first letter of the word europa.
Dollar sign
There are different theories about the origin of the dollar sign. The most accepted origin of the sign is the abbreviation for mexican peso's Ps.
Jupiter
This symbol stands for the planet Jupiter and the King of the Roman gods. In mythology the symbol represents a sickle.
Copyright symbol/sign
The copyright © symbol originates from the American copyright law.
Skulls and Bones
This symbol is in use by the Skulls and Bones society at Yale university in the US. The Skull and Bones society is known for its large number of powerfull members.
Jolly Roger (pirat flag)
A piratflag is also called Jolly Roger. The origin of this name is not clear.
Nuclear symbol
The origin of this nucleair symbol is the university of California. In 1946 people of the radiation lab of this institute designed the symbol.
Saturn
This symbol stands among others for the planet Saturn and the Roman god of agriculture and harvest. In mythology the symbol is explained as a sickle.
Earth

This symbol for earth has been used among others in modern Astrology as the symbol for planet earth. the symbol probably originates from the bronze age.
Neptune
This symbol stands among others for the planet Neptune and the Roman god Neptune. In Mythology the symbol is explained as the trident of the god Neptune.
Schorpio
The symbol for Schorpio is used in Astronomy and Astrology. Schorpio is part of the Zodiac which originates from the time when people started to have the need to predict.
Anchor
The anchor symbolizes different subjects. All have a certain relation with each other. De most known, symbols of an anchor are hope and steadfastness.
Clover 4
For centuries the clover 4 has been a symbol for good luck. However there is no clear origin of the meaning of this symbol.
Gemini
The symbol for Gemini originates from Astrology. In Astrology Gemini is part of the Zodiac which originates from the time that people started to have the need to prodict.
Hexagram (Star of David)
This hexagram is worldwide best known as the Star of David. The Star of David (also known as jewish badge) is als symbol for the jewish identity.
Ichthys (fish)
The Ichthys or sign of the fish is used by Christians (for example on cars) to show that they believe in Jezus Christ.
Sigma
Sigma is the 18th letter of the greek alphabet. As symbol sigma is for example applied in mathematics to indicate the sum of similar terms.
At-symbol (@)
The at symbol, dates back to the 16th century and it originally was a capacity measure. An amfora represented 26 liters. The symbol originates from an italian merchant writing.
Omega
Omega (capital) is the 24th and last letter of the greek alphabet. The symbol is used in Physics to indicate electrical resistance.
Olympic rings
De olympic flag is a worldwide known symbol for the olympic games. The symbol was designed in 1913. The 5 colloured rings represent 5 continents.
Mars (Male)
The symbol for Mars symbolizes the male gender, the chemica element iron, the planet mars in Astrologie and gods from the Greek and Roman ages.
Lemniscat, sign for infinity
The symbol lemniscate or lying 8 is most known from Mathematics, where it stands for infinity.
Air (Alchemy)
This symbol for air is used in the alchemy and probably originates from the middle ages when during the 14th and 15th century the practise of alchemy was banned, mainly by the church. .
Uranus
This symbol represents among others for the planet Uranus and the Roman god of heaven. The planet Uranus is the seventh planet of the solarsystem and is one of the outer planets.
Pisces
The symbol for Pisces originates from Astrologie. Pisces is part of the Zodiac which originates from the time when people started to have the need to predict.
Question mark
There are different stories about the origin of the symbol for question mark. One story that the sign originates from Latin, waar quaestiō means question. The word quaestiō was abbreviated to Qo during the middle ages and the o was written below the Q.
Freemasonry
This symbol of the Freemasonry originates from the 18th century as a result of the need to recognize each of the memebders of the brotherhood.
Fire (alchemy)
This symbol for fire is used in the alchemy and probably originates from the middle ages when during the 14th and 15th century the practise of alchemy was banned, mainly by the church.
Aquarius
The symbol for Aquarius originates from Astrologie. Aquarius is part of the Zodiac which originates from the time when people started to have the need to predict.
Peace (Ban The Bomb)
This sign for peace originates from the middle of the 20th century. It is designed by Gerald Holtom and was meant as symbol for the Aldermaston-march against nuclear weapons.

This symbol for Cancer is used in Astrology as well as in Astronomy.
The atom symbol represents the smallest particle matter, the atom.