Social Science 1960s time capsule

When we define an era such as the 1960s, a lot of images come to mind: the march on Washington, psychedelic music, peace signs, the antiwar movement, the assassinations of prominent political leaders, and so forth.

explain which of the events, people and symbols best define the 1960s.
It is the year 2325. You are a prominent archaeologist who has just been summoned to a dig site because your colleagues have made a unique discovery: a time capsule from the 1960s that was buried long ago. Very carefully, you and your colleagues unearth and open this time capsule. Inside the time capsule you find five items that define the era of the 1960s.

Describe each of the five items you have found.

Explain why each of these is especially important in defining the era of the 1960s