The above video shows radar bounce on an object, possibly an electromagnetic one interfering with a birds magnetic orientation.
1957 - First Satellites enter into space. Primitive one. Sputnik. Etc.
1976 - News medias begin to report birds falling from the sky. I can only find a biblical reference before this and that biblical reference has no evidence suggesting birds falling with no apparent cause on death.
1977 - The movie Star Wars is released.
1983 - Ronald Regan, addresses the nation with a famous "Star Wars" speech.