- Oct 1 41 children are killed by a suicide bombing on the Akrameh al-Makhzumi school in Homs, Syria
- Oct 2 15 people are killed after a gunpowder plant explodes in Gorni Lom, Bulgaria
- Oct 2 Siege of Syrian town Kobani and its surrounds by ISIS prompts 130,00 people to flee the area
- Oct 3 83 million accounts are compromised after a cyber attack on JP Morgan Chase & 9 other financial institutions
Bianchi's Horror Crash
Oct 5 French F1 driver Jules Bianchi collides with recovery vehicle during Japanese Grand Prix, dies 10 months later; first F1 death due to racing accident in 21 years (Ayrton Senna 1994)
Rabbitohs Win NRL
Oct 5 Russell Crowe owned South Sydney Rabbitohs beat Canterbury Bulldogs, 30-6 to break 43 year drought and win National Rugby League (Australia) Premiership
- Oct 6 John O'Keefe, May-Britt Moser and Edvard Moser win the 2014 Nobel Prize in Physiology or Medicine
- Oct 7 Isamu Akasaki, Hiroshi Amano and Shuji Nakamura win the 2014 Nobel Prize in Physics for inventing blue light emitting diodes
- Oct 7 Spanish nurse diagnosed with Ebola, the first case outside west Africa
- Oct 8 Eric Betzig, Stefan Hell and William Moerner win the Nobel Prize in Chemistry for the development of super-resolved fluorescence microscopy
- Oct 8 The Vienna Philharmonic Orchestra is awarded the third $1 million Birgit Nilsson Prize
- Oct 9 Gatwick, Heathrow and JFK airports enhance screening for the Ebola virus
- Oct 9 Patrick Modiano wins the 2014 Nobel Prize in Literature
Nobel Peace Prize
Oct 10 Malala Yousafzai and Kailash Satyarthi awarded the Nobel Peace Prize
Election of Interest
Oct 12 Evo Morales is re-elected President of Bolivia
- Oct 14 Richard Flanagan's novel "The Narrow Road to the Deep North" wins the 2014 Man Booker Prize
Event of Interest
Oct 14 Utah State University receives terrorist threats pertaining to Anita Sarkeesian's planned lecture the following day
- Oct 14 World Health Organization announce Ebola virus death toll at 4,447, and the fatality rate has reached 70%
- Oct 15 MLB American League Championship: Kansas City Royals beat Baltimore Orioles, 4 games to 0
- Oct 16 MLB National League Championship: San Francisco Giants beat St. Louis Cardinals, 4 games to 1
- Oct 16 New Zealand, Malaysia, Angola, Spain and Venezuela are elected to the United Nations Security Council
- Oct 19 A working human intestine is generated in a laboratory from stem cells in the United States
Event of Interest
Oct 20 Joko Widodo becomes President of Indonesia
- Oct 20 Laquan McDonald (17) is shot dead by Chicago police officer Jason Van Dyke while jaywalking, the murder caught on video footage
- Oct 21 Oscar Pistorius is sentenced to five years in prison for killing his girlfriend Reeva Steenkamp
Sports History
Oct 26 American tennis star Serena Williams beats Simona Halep of Romania 6–3, 6–0 to successfully defend her WTA Finals title in Kallang, Singapore
Rousseff Re-elected
Oct 26 Dilma Rousseff is re-elected President of Brazil
- Oct 27 "Montevallo" debut album by Sam Hunt is released (American Country Countdown Award Digital Album of the Year 2016, Billboard Album of the Year 2015)
1989
Oct 27 Taylor Swift releases her 5th studio album "1989" (2015 Billboard Album of the Year, Grammy Award for Album of the Year 2016)
- Oct 29 Baseball World Series: San Francisco beats Kansas City Royals, 3-2 in Game 7 at Kauffman Field, KC to win Giants' 3rd title in 5 years; MVP: SF starter Madison Bumgarner
- Oct 30 Fukuoka SoftBank Hawks win the 2014 Japan Series
- Oct 31 Breeders' Cup Horse Racing, Santa Anita Racetrack; Day 1 winners: Hootenanny, Goldencents, Lady Eli, Untapable
Baseball Hall of Fame
Oct 31 Greg Maddux, Tom Glavine, Frank Thomas, Bobby Cox, Tony La Russa and Joe Torre are inducted into Baseball Hall of Fame, Cooperstown, NY
Admirals
Aviators
Gangsters
Generals
Industrialists
Suffragists