In 1967 Walter told us all what uses LASERs would be put to: https://youtu.be/Mz4yULrJTeA
I can’t be sure of course but I seem to remember seeing this in the distant past.
Other “interesting” events in 1967:
The US was in Vietnam,
Israel’s "7 Day War"
The BBC introduces Radio 1 broadcasting “popular” music
The Beatles released Sgt. Pepper’s Lonley Hearts Club Band
The first Rolling Stone Magazine is published
Best Picture "In the Heat of the Night"
Sidney Poitier starred in 3 notable films, “In the Heat of the Night”, “Guess Who’s Coming to Dinner?” , and “To Sir With Love”