Les nombres ordinaux

Liste des ordinaux

Rang	Anglais
1st	first
2nd	second
3rd	third
4th	fourth
5th	fifth
6th	sixth
7th	seventh
8th	eighth
9th	ninth
10th	tenth
11th	eleventh
12th	twelfth
20th	twentieth
21st	twenty-first
30th	thirtieth
100th	one hundredth

Usage

Dates : April 17th, the first of May
Etages : 3rd floor, 5th floor
Rois : Henry VIII (the eighth)
Siecles : 21st century