- Sep 1 Dutch law against pirate radio goes into effect
- Sep 1 Train accident at Zagreb Yugoslavia, 121 killed
- Sep 1 The SR-71 Blackbird sets (and holds) the record for flying from New York to London: 1 hour 54 minutes and 56.4 seconds.
Event of Interest
Sep 2 Jerry Lewis' 9th Muscular Dystrophy telethon
Jerry Lewis
Event of Interest
Sep 2 US President Gerald Ford signs Employee Retirement Income Security Act
Gerald Ford
PGA Players Championship
Sep 2 PGA Tournament Players Championship, Atlanta CC: Jack Nicklaus wins inaugural event; first of his 3 TPC titles, 2 strokes ahead of runner-up J. C. Snead
Jack Nicklaus
- Sep 3 SF Giants' pitcher John Montefusco in his MLB debut, homers in his first at bat and pitches 9 innings in relief to earn a 9 - 5 victory over the Dodgers
Event of Interest
Sep 3 Future Naismith Memorial Basketball Hall of Fame guard Oscar Robertson retires; leaves NBA with 26,710 points, 9,887 assists & 7,804 rebounds in 1,040 games
Oscar Robertson
- Sep 3 US & German Democratic Republic establish diplomatic relations
- Sep 6 Saudi Arabia increases its oil buy-back price from 93 percent to 94.9 percent of posted price
- Sep 7 "Irene" closes at Minskoff Theater NYC after 605 performances
- Sep 7 Shirley Cothran (Texas), 21, crowned 47th Miss America 1975
US Open Women's Tennis
Sep 7 US Open Women's Tennis, Forest Hills, NY: Billie Jean King wins her 4th and final US singles title; beats Evonne Goolagong Cawley of Australia 3-6, 6-3, 7-5
Billie Jean King
- Sep 8 England's Ian Thompson wins European Championship marathon in 2:13:18.8 in Rome, Italy
Event of Interest
Sep 8 US President Gerald Ford pardons former President Richard Nixon of all federal crimes
Richard Nixon
Gerald Ford
US Men's Tennis Open
Sep 8 US Open Men's Tennis, Forest Hills, NY: Jimmy Connors wins his first of 5 US singles titles; outclasses veteran Australian Ken Rosewall 6-1, 6-0, 6-1 in last event played on grass
Jimmy Connors
Ken Rosewall
Event of Interest
Sep 8 Evil Knievel attempts to jump the Snake River Canyon in Idaho but fails, escaping with minor injuries
Evel Knievel
- Sep 10 Lou Brock ties (104) & then sets (105) baseball stolen base mark
- Sep 10 Portugal recognizes independence of Republic of Guinea-Bissau
- Sep 10 Teuvo Louhivouri sets cycling distance record of 515.8 mi in 24 hrs
- Sep 10 Controversial TV drama "Born Innocent" premieres on NBC TV, starring Linda Blair as an abused teen in a juvenile detention home
- Sep 11 Cards beat Mets, 4-3, in 25 (7h4m), record 202 plate appearances, Félix Millán & John Milner come to bat 12 times each
Coup d'état
Sep 12 Coup overthrows Ethiopian Emperor Haile Selassie on Ethiopia's national day
Haile Selassie
- Sep 12 Jeff "Skunk" Baxter joins Doobie Brothers
- Sep 13 -17] 3 Japanese kidnap French ambassador in Hague
- Sep 13 1st broadcast of "The Rockford Files" on NBC-TV
- Sep 13 Phillies set NL record, using 27 players in a game, St Louis uses 24, tying record of 51. Phils win 7-3 in 17
- Sep 13 USSR performs nuclear test at Eastern Kazakh/Semipalitinsk USSR
- Sep 13 OPEC instructs its Secretary General to "carry out a study of supply and demand in relation to possible production controls"
- Sep 14 Charles Kowal discovers Leda, 13th satellite of Jupiter
- Sep 15 Market Square Arena in Indianapolis opens
- Sep 15 Air Vietnam flight 727 is hijacked, then crashes while attempting to land with 75 on board.
- Sep 16 BART begins regular transbay service
- Sep 16 US President Gerald Ford announces conditional amnesty for US Vietnam War deserters
- Sep 16 US General Alexander Haig Jr. becomes NATO supreme commander in Europe
- Sep 17 Courageous (US) beats Southern Cross (Aust) in 23rd America's Cup
- Sep 18 Hurricane Fifi strikes Honduras with 110 mph winds, 5,000 die
- Sep 19 -20] Hurricane Fifi hits coast of Honduras; about 5,000 die
Event of Interest
Sep 19 The KGB begin a large-scale operation to discredit Russian novelist Aleksandr Solzhenitsyn and cut his communications with Soviet dissidents
Aleksandr Solzhenitsyn
- Sep 21 US Mariner 10 makes 2nd fly-by of Mercury
- Sep 23 "Gypsy" opens at Winter Garden Theater NYC for 120 performances
- Sep 23 BBC Ceefax begins 1st teletext service
- Sep 24 Al Kaline, Detroit Tiger, is 12th to get 3,000 hits
- Sep 24 Clarence Jones of Kintetsu Buffaloes hits his 38th HR, 1st American to win a Japanese HR title
- Sep 25 US performs nuclear test at Nevada Test Site
- Sep 25 Scientists first report that freon gases from aerosol sprays are destroying the ozone layer
- Sep 26 US performs nuclear test at Nevada Test Site
- Sep 27 -10/26] Rome: 4th bishop synod
- Sep 27 Australian National Gallery buys W de Kooning's "Woman V" for $850,000
Event of Interest
Sep 28 "Ain't Nothing Like The Real Thing" by Aretha Franklin peaks at #47
Aretha Franklin
Event of Interest
Sep 28 "Papa Don't Take No Mess Part 1" by James Brown peaks at #31
James Brown
Event of Interest
Sep 28 US 1st Lady Betty Ford undergoes a radical mastectomy
Betty Ford
Event of Interest
Sep 28 California Angel Nolan Ryan 3rd no-hitter beats Minn Twin, 4-0
Nolan Ryan
Event of Interest
Sep 28 John Lennon appears as guest DJ on WNEW-FM (NYC)
John Lennon