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I've found this in
Wikipedia:
1919
Most common
pronunciation method: nineteen nineteen
Alternative methods: nineteen hundred (and) nineteen or one thousand, nine hundred (and) nineteen
Look at this! It's from
Translation Bureau in Termium Plus:
In the most formal writing, such as contracts, invitations, plaques and presentation documents, it is usual to write out the entire date in words.
...on this sixteenth day of June, nineteen hundred and ninety-seven...
...Saturday, the seventh of December, two thousand and two...