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A Greek cross (all arms of equal length), straight and rotated by 45 degrees.

The bent cross or Swastika.

A cross is a geometrical figure consisting of two lines or bars crossing each other at a 90° angle, dividing one or two of the lines in half. It is one of the most ancient human symbols and crosses are symbols of many religions.

Table of contents

1 Crosses as markings

2 Crosses as emblems

3 Crosses as symbols

4 Crosses in flags

5 The cross in heraldry

6 Constellation

7 See also

8 External link

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Crosses as markings

The Roman numeral for ten is X.
The Chinese character for the number ten (See Chinese numerals).
The obelus (†)
The plus sign (+) and the multiplication sign (×).

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Crosses as emblems

Any number of figures used in heraldry; see heraldic cross.
The Papal cross used in ecclesiastical heraldry.
Constantine's Labarum (also known as the monogram of Jesus Christ).
The Red Cross as a symbol for medical care in most of the world, (the Red Crescent being used in Islamic countries).
The Skull and crossbones.

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Crosses as symbols

The Christian cross identifies a Christian in most Christian groups and is a symbol for the Christian God (especially Jesus as a reminder of the redeeming sacrifice of the Crucifixion on the True Cross), or a Christian object or location in most Christianity groups.
The High crosses of the free-standing Celtic crosses in Britain and Ireland.
Odin's symbol in Norse mythology was a cross in a circle.
The ancient Swastika (adopted later by the Nazi party).
The Ancient Egyptian Ankh is also a cross.