What is associated with: 1968 this ice queen?

What is associated with: 1968 the first soviet swallow in the cosmos? What is associated with: 1968 the statue of liberty sticks up out of the sand? What is associated with: 1968 the tet offensive? What is associated with: 1968 this double named place opens as the first major family friendly casino? What is associated with: 1968 war and peace? What is associated with: 1968 welcome to the academy awards or as its known at my house passover? What is associated with: 1968 will the dancing hitlers please wait in the wings we are only seeing singing hitlers? Which performer is associated with '1968'?