Who: Hiram and Portia (and possibly his friends?)
Where: the Hogwarts Express
When: backdated to Hiram's birthday
What: Portia finds Hiram to give him a birthday gift and probably embarrasses him a lot

( Portia wasn't exactly very good at choosing gifts for people... )

Who: Clare and Cate
What: Girls' night
When: Sunday evening
Where: Ravenclaw fifth year girls' room.

( Girls' night was a foreign concept for Clare. )

Who: Everyone
What: House meetings
When: Tuesday evening, 8:00 onward
Where: Common rooms

( Prefect Briefing + Basics of What Everyone is Told )

( Gryffindor )

( Hufflepuff )

( Ravenclaw )

( Slytherin )

IC reactions are welcome in the comments.