a red-letter day

a day that is very important or very special The day our daughter was born was a real red-letter day for us.

Name	Pronounced	Usage
Nicoline	-	French, Dutch
Peterson	['pi:təsn]
Thalia	-	Greek Mythology (Latinized)
Janusz	YAH-nuwsh	Polish
Abednego	ə-BED-ni-go (English)	Biblical
Lorri	LAWR-ee	English