I don't remember it either........LOL!
I believe Johnson was the last state funeral...in January of 1973. Truman died in December of 72...also a state funeral, if I remember correctly. I'll try to visit whitehouse.gov later to verify...unless someone here beats me there :)
Off topic, but I recall my parents letting my sister and I stay up well past bedtime to see Neil Armstrong set foot on the moon for the first time.
Same story: "Tonto, I want you to remember this, because it is a special moment in our history, and one day you'll be able to say that you saw it."