C'est le premier jour de la plus de votre vie in French means "this is the first day of more of your life."
How was your day at school? (This is English transposed into French)
"allait-il comment votre jour heir"means nothing. Write: "comment s'est passée votre journée d'hier" or "comment était votre journée d'hier" (informal) and that means "how was your day of yesterday"
"Le jour de votre entrée dans ma vie fut le jour i savais que je voulais être avec toi pour toujours" means "the day you first came in my life, I knew I would want to be with you for ever"
Quel était le nom de votre premier instituteur ? means "what was the name of your first teacher?" in English.
This is a poor and automated translation, meaning "I hope you have an amazing day with your baby brother"
It means : It is
'votre' is the possessive translated by 'your' in English.
bon = good jour = day bon jour = good day
menu du jour mean the dishes that are available this day only
"votre jolie ..." means "your pretty ..." (fem. noun).
'de jour' is French for 'by day'.
'voici votre nouvelle' means 'here are your new'