Also read Em dash: the regular dash
*It is used between different periods of time to mean ‘to’ or ‘through’.
- My father fought in the Second World War (1939–45).
- July–August 1999.
- He said 100–200 people were present.
Note that you should not use an en dash if you use ‘from’ or ‘between’, e.g.
from 1993-2009 (from 1993 to 2009), between 10–20 (between 10 and 20).
*It is used for result of contests, competitions, etc.
- He score the last goal in the 2–1 win against Arsenal.
- The managed to beat the host 28-20 in the final.
* It is used to indicate connection, conflict, or direction.
- The North–South amalgamation.
- It was a Jackie Chan-style kick.
- Ghana–Nigeria diplomatic relationship.
- US–Canada border.
- NCP–PFP altercation.
- Lagos–Cairo flight.
* It can also be used in compound adjectives, either open or hyphenated.
- Pre–Civil War era.
- The post–World War II era.
- Our non–English-speaking foreign students.