Auspicious Event
Happy Event
noun
A thing that happens that makes you want to congratulate the person who it happened to makes it an auspicious event. You'll remember this for a long, long time.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
親しい友人の慶事は自分のことの様にうれしい。
The happy events my close friends have make me as happy as if they were my own.