The word omen serves to define a form of divination and frequently refers to the arrival of a change, therefore an omen represents a signal, which can be interpreted as the announcement of something that is about to happen. Omens can be considered as good or bad, depending on how it is interpreted.

In ancient times, omens were phenomena that represented something really serious. Even in the Greco-Roman era the omens were classified in:

Those that arose from the shaking of the body or palpitations. It is said that when a person has palpitations or shakes for no reason, it is a sign that something bad is going to happen.

Ringing in the ear is also considered as an omen, since it is an indication that someone is talking about that person, in his absence.

The encounter with certain people, such as a dwarf, a cross-eyed person or any other person with a physical defect, was considered an omen. The same thing happened if a person came across a black cat or a snake, since these animals were considered bad omens.

There are some people who are dedicated to the art of divination, they usually interpret what is supposed to happen in the future; These people are known as clairvoyants or sorcerers.

In the ancient Roman and Greek peoples, their inhabitants, as well as their rulers, were always aware of every signal they observed or sensation they felt, in order to determine what actions they should take. For them omens were sacred.

With the passage of time and thanks to the progress that science and rationalism have had, the subject of omens was classified as superstitions that are only part of folklore and that do not affect people’s daily lives in any way.