Portal:Malaysia/Selected anniversaries/January
- 1 January 1986: 1985 ABC Championship was held in Kuala Lumpur.
- 1 January 2008: Kuala Terengganu was upgraded from town to a city.
- 1 January 2019: Kalabakan District was established from formerly part of Tawau District.
- 1 January 2020: Seremban town and Nilai town were merged and upgraded from towns to Seremban city.
- 1 January 2020: Pengerang Municipal Council was upgraded from Pengerang Local Authority.
- 1 January 2021: Kuala Lumpur–Singapore high-speed rail project was terminated.
- 2 January 1986: 1985 ABC Championship was held in Kuala Lumpur.
- 3 January 1986: 1985 ABC Championship was held in Kuala Lumpur.
- 4 January 1986: 1985 ABC Championship was held in Kuala Lumpur.
- 4 January 2014: Red Pencil protest in Kuala Lumpur.
- 5 January 1986: 1985 ABC Championship was held in Kuala Lumpur.
- 7 January 2020: 2020 Malaysia Masters was held in Kuala Lumpur.
- 8 January 2020: 2020 Malaysia Masters was held in Kuala Lumpur.
- 9 January 2020: 2020 Malaysia Masters was held in Kuala Lumpur.
- 9 January 2022: Molek FM was aired for the first time.
- 10 January 1997: Universiti Teknologi Petronas in Seri Iskandar, Perak was established.
- 10 January 2008: The Spring Shopping Mall in Kuching, Sarawak was opened.
- 10 January 2020: 2020 Malaysia Masters was held in Kuala Lumpur.
- 11 January 2020: 2020 Malaysia Masters was held in Kuala Lumpur.
- 12 January 2013: People's Uprising rally in Kuala Lumpur.
- 12 January 2020: 2020 Malaysia Masters was held in Kuala Lumpur.
- 12 January 2021: 2021 Malaysian state of emergency had been declared.
- 13 January 2015: 2015 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 13 January 2021: The 2nd movement control order was implemented almost nationwide.
- 14 January 1976: Abdul Razak Hussein, the second Prime Minister of Malaysia, passed away.
- 14 January 2015: 2015 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 15 January 2015: 2015 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 15 January 2019: 2019 Malaysia Masters was held in Kuala Lumpur.
- 16 January 2015: 2015 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 16 January 2017: Axiata Arena in Bukit Jalil, Kuala Lumpur was rebranded from the former Putra Indoor Stadium.
- 16 January 2018: 2018 Malaysia Masters was held in Kuala Lumpur.
- 16 January 2019: 2019 Malaysia Masters was held in Kuala Lumpur.
- 17 January 2009: 2009 Kuala Terengganu by-election.
- 17 January 2015:
- 17 January 2017: 2017 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 17 January 2018: 2018 Malaysia Masters was held in Kuala Lumpur.
- 17 January 2019: 2019 Malaysia Masters was held in Kuala Lumpur.
- 17 January 2021: Berjaya Dragons was launched.
- 18 January 2015:
- 18 January 2017: 2017 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 18 January 2018: 2018 Malaysia Masters was held in Kuala Lumpur.
- 18 January 2019:
- The Spring Bintulu in Bintulu, Sarawak was opened.
- 2019 Malaysia Masters was held in Kuala Lumpur.
- 18 January 2020: 2020 Kimanis by-election.
- 19 January 1989: Sultan Iskandar Planetarium in Kuching, Sarawak was officiated.
- 19 January 2015: 2015 East Malaysian floods.
- 19 January 2016: 2016 Malaysia Masters Grand Prix Gold was held in Penang.
- 19 January 2017: 2017 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 19 January 2018: 2018 Malaysia Masters was held in Kuala Lumpur.
- 19 January 2019: 2019 Malaysia Masters was held in Kuala Lumpur.
- 20 January 2015: 2015 East Malaysian floods.
- 20 January 2016: 2016 Malaysia Masters Grand Prix Gold was held in Penang.
- 20 January 2017: 2017 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 20 January 2018: 2018 Malaysia Masters was held in Kuala Lumpur.
- 20 January 2019: 2019 Malaysia Masters was held in Kuala Lumpur.
- 21 January 2015: 2015 East Malaysian floods.
- 21 January 2016: 2016 Malaysia Masters Grand Prix Gold was held in Penang.
- 21 January 2017: 2017 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 21 January 2018: 2018 Malaysia Masters was held in Kuala Lumpur.
- 22 January 2015: 2015 East Malaysian floods.
- 22 January 2016: 2016 Malaysia Masters Grand Prix Gold was held in Penang.
- 22 January 2017: 2017 Malaysia Masters Grand Prix Gold was held in Sarawak.
- 23 January 2015: 2015 East Malaysian floods.
- 23 January 2016: 2016 Malaysia Masters Grand Prix Gold was held in Penang.
- 23 January 1763: Alexander Dalrymple takes possession of Balambangan Island in Sabah for the East India Company
- 24 January 2015: 2015 East Malaysian floods.
- 24 January 2016: 2016 Malaysia Masters Grand Prix Gold was held in Penang.
- 25 January 2015: 2015 East Malaysian floods.
- 26 January 2014: EduCity Sports Complex in Nusajaya, Johor was launched.
- 26 January 2015: 2015 East Malaysian floods.
- 26 January 2016: 2016 anti-TPPA rally in Kuala Lumpur.
- 26 January 2019: 2019 Cameron Highlands by-election.
- 27 January 2015: 2015 East Malaysian floods.
- 28 January 2007: 2007 Batu Talam by-election.
- 28 January 2015: 2015 East Malaysian floods.
- 28 January 2022: Social Democratic Harmony Party was founded.
- 29 January 1994: Johor Art Gallery in Johor Bahru, Johor was opened.
- 29 January 2015: 2015 East Malaysian floods.
- 30 January 1994: Malacca Parade in Malacca City, Malacca was opened.
- 30 January 2011: 2011 Tenang by-election.
- 30 January 2015: 2015 East Malaysian floods.
- 31 January 2015: 2015 East Malaysian floods.