1st Century in Roman Numerals
1st century
I
first
1 (I) – 100 (C)
How it's written in English
English writes the ordinal in figures, 1st century, or in words, the first century. The Roman form I is what Spanish, French and Italian use: siglo I, Iᵉʳ siècle, I secolo. Source: en.wikipedia.org
In other languages
| Language | How it's written | Source |
|---|---|---|
| English | 1st century | — |
| Spanish | siglo I | rae.es |
| Portuguese | século I | pt.wikipedia.org |
| German | 1. Jahrhundert | duden.de |
| French | Ier siècle | vitrinelinguistique.oqlf.gouv.qc.ca |
| Italian | I secolo | it.wikipedia.org |
| Indonesian | abad ke-1 | lmsspada.kemdikbud.go.id |
| Polish | I wiek | zpe.gov.pl |
| Dutch | 1e eeuw | onzetaal.nl |
| Turkish | 1. yüzyıl | tdk.gov.tr |
| Romanian | secolul I | dexonline.ro |
| Japanese | 1世紀 | ja.wikipedia.org |
When does the 1st century start and end?
With no year zero, the 1st century runs from year 1 to year 100 (I to C). Source: en.wikipedia.org
Which century is a year?
50 is in century I Open
Decades of the 1st century
| Year | Roman numerals |
|---|---|
| 1 | I |
| 10 | X |
| 20 | XX |
| 30 | XXX |
| 40 | XL |
| 50 | L |
| 60 | LX |
| 70 | LXX |
| 80 | LXXX |
| 90 | XC |
| 100 | C |
Other centuries
Common questions
What years are in the 1st century?
1 to 100 (I to C).
Is 100 in the 1st or the 2nd century?
In the 1st: it is the last year of century I. The 2nd century starts in 101 (CI).
What number is century I?
1: I is the 1st century.