1) 1 October: International Day of Older Persons.
2) 2 October: International Day of Non-Violence.
3) Crown Prince of Abu Dhabi Mohammed bin Zayed Al Nahyan will be the Chief Guest at the Republic Day parade.
4) Nayanjot Lahiri wins John F Richards Prize 2016.
5) India, Singapore sign three MoUs strengthening ties on countering terror, skill development.
6) France becomes 1st country to ban plastic cups and plates.
7) Isro ex-chairman U R Rao becomes first Indian in International Astronautical Federation's 'Hall of Fame'.
8) David Thouless, F Duncan M Haldane And Michael Kosterlitz won 2016 Nobel Prize In Physics.
9) State Bank of India becomes first domestic bank to open branch in Yangon.
10) Jharkhand becomes 1st state to implement Direct Benefit Transfer in Kerosene.
11) Nobel Prize in Medicine awarded to Yoshinori Ohsumi.
12) World Habitat Day observed across the world - 3 October.
13) Colombian President Juan Manuel Santos wins 2016 Nobel Peace Prize.
14) President Pranab inaugurated the first edition of the World Sustainable Development Summit (WSDS) in New Delhi.
15) Venkaiah Naidu releases book titled Modi’s Midas Touch in Foreign Policy authored by Ambassador Surendra Kumar.
16) ISRO’s communication satellite GSAT-18 successfully launched from French Guiana.
17) World Post Day 2016 observed with theme Innovation, Integration and Inclusion - 9 October.
18) Bob Dylan wins 2016 Nobel Prize in Literature.
19) India ranked 97th of 118 in global hunger index.
20) HIMANSH, India's Remote, High-Altitude Station opened in Himalaya.
21) 13 October International Day for Disaster Reduction observed with theme Live to Tell: Raising Awareness, Reducing Mortality.
22) The First World Tsunami Awareness Day will be celebrated on 5 November 2016 at the Asian Ministerial Conference for Disaster Risk Reduction (AMCDRR) 2016.
23) International Day of the Girl Child observed across the world on October 11.
24) Sprinter Srabani Nanda wins Ekalavya Award for the year 2016.
25) Maharashtra CM Fadnavis inaugurates India’s first International Arbitration Centre in Mumbai.
26) PV Sindhu appointed as Brand Ambassador of Vizag Steel.
27) India, Russia signs 16 MoUs including procurement of the S-400 air defence system.
28) Brazil wins first BRICS U-17 football tournament.
29) Kirtiraj Kundlik Gaikwad awarded with IAFP Young scientist scholarship award 2016.
30) Ajay Kumar Bhalla appointed as Director General of Foreign Trade.
31) Portugal’s Antonio Guterres appointed UN Secretary-General.
32) World Food Day 2016 observed across the world on 16 October.
33) 17 October: International Day for the Eradication of Poverty.
34) Sourabh Verma wins men's singles title at Chinese Taipei Open 2016.
35) International Prize in Statistics Awarded to Sir David Cox for Survival Analysis Model Applied in Medicine, Science, and Engineering
36) Kochi becomes first Indian city to host FIFA U-17 World Cup.
37) PM Narendra Modi launches National SC/ST hub and Zero Defect – Zero Effect scheme in Ludhiana.
38) S P Yadav elected as new President of North Zone of Urology Society of India.
39) Saina Nehwal appointed member of IOC's Athletes' Commission.
40) Ashok Leyland unveils India's first indigenous electric bus.
41) Amandeep Singh Gill appointed as India's Ambassador to UN Conference on Disarmament, Geneva.
42) C Radhakrishnan selected for Mathrubhumi Literary Award 2016.
43) India wins Kabaddi World Cup 2016.
44) Police Commemoration Day observed across India 21 October.
45) Indian Railways wins World Railway Shooting Championship Cup.
46) Paul Beatty wins 2016 Man Booker Prize.
47) Rajeev Misra appointed as Head of Softbank Vision Fund.
48) Bengaluru water tanker driver G Balakrishna wins Mr. Asia 2016 title.
49) Portugal's Renato Sanches wins European Golden Boy Award 2016.
50) China's launches micro-satellite, Banxing-2.
51) 24 October: World Development Information Day.
52) United Nations Day: 24 October.
53) World Cities Day observed with theme Inclusive Cities, Shared Development - 31 October.