Portal:Malaysia/Selected anniversaries/October
- 1 October 1996: Kuala Lumpur Tower was inaugurated in Kuala Lumpur.
- 1 October 2010: 2010 Proton Malaysian Open was held in Kuala Lumpur.
- 2 October 2010: 2010 Proton Malaysian Open was held in Kuala Lumpur.
- 3 October 2010: 2010 Proton Malaysian Open was held in Kuala Lumpur.
- 5 October 2019: The launch of Shared Prosperity Vision 2030.
- 6 October 2017: The first Rocktoberfest Borneo was held in Miri, Sarawak.
- 6 October 2018: 2018 Sultan of Johor Cup was held in Johor Bahru, Johor.
- 7 October 2017: The first Rocktoberfest Borneo was held in Miri, Sarawak.
- 7 October 2018: 2018 Sultan of Johor Cup was held in Johor Bahru, Johor.
- 8 October 1996: Parti Melayu Semangat 46 was dissolved.
- 8 October 2004: Labuan Museum in Labuan was officially opened.
- 8 October 2018: 2018 Sultan of Johor Cup was held in Johor Bahru, Johor.
- 9 October 2018: 2018 Sultan of Johor Cup was held in Johor Bahru, Johor.
- 10 October 2000: Shah Alam was upgraded from town to a city.
- 10 October 2018: 2018 Sultan of Johor Cup was held in Johor Bahru, Johor.
- 11 October 2018: 2018 Sultan of Johor Cup was held in Johor Bahru, Johor.
- 12 October 2004: Paddy Museum in Alor Setar, Kedah was inaugurated.
- 12 October 2018: 2018 Sultan of Johor Cup was held in Johor Bahru, Johor.
- 13 October 2018:
- 2018 Port Dickson by-election.
- 2018 Sultan of Johor Cup was held in Johor Bahru, Johor.
- 14 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 15 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 16 October 2014: Quill City Mall in Kuala Lumpur was opened.
- 16 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 16 October 2002: 2002 Espirito Santo Trophy was held in Kuala Lumpur.
- 17 October 2002: 2002 Espirito Santo Trophy was held in Kuala Lumpur.
- 17 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 17 October 2016: Heritage Party was founded.
- 18 October 2002: 2002 Espirito Santo Trophy was held in Kuala Lumpur.
- 18 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 19 October 1991: 1991 Asian Athletics Championships was held in Kuala Lumpur.
- 19 October 2002: 2002 Espirito Santo Trophy was held in Kuala Lumpur.
- 19 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 20 October 1991: 1991 Asian Athletics Championships was held in Kuala Lumpur.
- 20 October 1990: 1990 Malaysian general election.
- 20 October 2011: Kenanga Wholesale City in Pudu, Kuala Lumpur was opened.
- 20 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 20 October 2020: Subang Jaya was upgraded from town to a city.
- 21 October 1976: Sultan Abu Bakar Museum in Pekan, Pahang was opened.
- 21 October 1990:
- 21 October 1991: 1991 Asian Athletics Championships was held in Kuala Lumpur.
- 21 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 22 October 1991: 1991 Asian Athletics Championships was held in Kuala Lumpur.
- 22 October 2015: 2015 Under-19 Cricket World Cup Qualifier was held in Malaysia.
- 23 October 1991: 1991 Asian Athletics Championships was held in Kuala Lumpur.
- 23 October 1993: Chinese History Museum in Kuching, Sarawak was officially opened.
- 23 October 2013: 2013 Cameron Highlands mud floods.
- 24 October 1976: Malaysian Indian Muslim Congress was founded.
- 24 October 2002: 2002 Eisenhower Trophy was held in Selangor.
- 25 October 2002: 2002 Eisenhower Trophy was held in Selangor.
- 26 October 2002: 2002 Eisenhower Trophy was held in Selangor.
- 27 October 1987: Operation Lalang.
- 27 October 2002: 2002 Eisenhower Trophy was held in Selangor.
- 28 October 1987: Operation Lalang.
- 29 October 1987: Operation Lalang.
- 30 October 1987: Operation Lalang.
- 30 October 2015: People's Alternative Party was founded.
- 31 October 1987: Operation Lalang.