September 1975

Monday 01:

The last original episode of the American television series Gunsmoke airs on CBS after a record 20-year run.

Friday 05:

In Sacramento, California, a follower of incarcerated cult leader Charles Manson named Lynette Fromme attempts to assassinate U.S. President Gerald Ford, but is thwarted by a Secret Service agent.

Sunday 14:

The first American saint, Elizabeth Ann Seton, is canonized by Pope Paul VI.

Monday 15:

Pink Floyd releases the album Wish You Were Here in the US and UK.

Tuesday 16:

Papua New Guinea gains its independence from Australia.

Thursday 18:

Patty Hearst is arrested after a year on the FBI Most Wanted List.

Monday 22:

Sara Jane Moore tries to assassinate U.S. President Gerald Ford, but is foiled by Oliver Sipple.

Tuesday 30:

The Hughes (later McDonnell-Douglas, now Boeing) AH-64 Apache makes its first flight.