Period vs What people are most nostalgic for in the period

[Ghost]

In the early 90's, it was the late 60's that had the most nostalgia.

In the mid 90's, it was the early 70's that had the most nostalgia.

In the late 90's, it was the mid 70's that had the most nostalgia.

In the early 2000's, it was the late 70's that had the most nostalgia.

In the mid 2000's, it was the early 80's that had the most nostalgia.

In the late 2000's, it was the mid 80's that had the most nostalgia.

In the early 2010's, it was the late 80's that had the most nostalgia.

In the mid 2010's, it was the early 90's that had the most nostalgia.

In the late 2010's, it was the mid 90's that had the most nostalgia.