Synchronicity is the experience of two or more events that are apparently causally unrelated or unlikely to occur together by chance, yet are experienced as occurring together in a meaningful manner. The concept of synchronicity was first described in this terminology by Carl Gustav Jung, a Swiss psychologist, in the 1920s.
Timelike Entanglement: is the connection, via quantum entanglement, through time. It is described in this article, and clearly states that it revolves around a pattern of equidistant time periods between events.
9/11 and The End.
Just to highlight how pivotal the above events are to our modern time, and the 20th century: It's probably pertinent to point out that every single one has had a major motion picture created about it in the last 20 years.