Cultural Investments - Experiences, Thoughts, Past CIs ?

How was the past cultural investments [ https://uwo.papayaplay.com/uwo.do?tp=news.view&postid=3007 , not to be confused with Epic Investment Battles ] so far?

When did the last few cultural investments occur, and on those days that those cultural investments did occur, around what times of day or night have they occurred so far?