Portal:Malaysia/Selected anniversaries/May
- 1 May 2014: May Day anti-GST rally 2014 in Kuala Lumpur.
- 1 May 2019
- 2 May 2012: 2012 Malaysia Open Grand Prix Gold in Johor Bahru, Johor.
- 2 May 2019
- 3 May 2011: 2011 Malaysia Open Grand Prix Gold in Alor Setar, Kedah.
- 3 May 2012: 2012 Malaysia Open Grand Prix Gold in Johor Bahru, Johor.
- 3 May 2019
- 4 May 2011: 2011 Malaysia Open Grand Prix Gold in Alor Setar, Kedah.
- 4 May 2012: 2012 Malaysia Open Grand Prix Gold in Johor Bahru, Johor.
- 4 May 2019
- 5 May 1984: Dayabumi Complex was opened in Kuala Lumpur.
- 5 May 2011: 2011 Malaysia Open Grand Prix Gold in Alor Setar, Kedah.
- 5 May 2012: 2012 Malaysia Open Grand Prix Gold in Johor Bahru, Johor.
- 5 May 2013:
- 5 May 2015: 2015 Rompin by-election.
- 5 May 2019
- 6 May 2011: 2011 Malaysia Open Grand Prix Gold in Alor Setar, Kedah.
- 6 May 2012: 2012 Malaysia Open Grand Prix Gold in Johor Bahru, Johor.
- 7 May 1980: Resorts World Berhad was established.
- 7 May 2011: 2011 Malaysia Open Grand Prix Gold in Alor Setar, Kedah.
- 7 May 2015: 2015 Permatang Pauh by-election.
- 7 May 2016: 2016 Sarawak state election.
- 8 May 2011: 2011 Malaysia Open Grand Prix Gold in Alor Setar, Kedah.
- 9 May 2006: 2006 Sarawak state election.
- 9 May 2018
- 2018 Malaysian general election.
- 2018 Malaysian state elections.
- 2018 Johor state election.
- 2018 Kedah state election.
- 2018 Kelantan state election.
- 2018 Malacca state election.
- 2018 Negeri Sembilan state election.
- 2018 Pahang state election.
- 2018 Penang state election.
- 2018 Perak state election.
- 2018 Perlis state election.
- 2018 Sabah state election.
- 2018 Selangor state election.
- 2018 Terengganu state election.
- 10 May 1967: 1969 Malaysian general election.
- 10 May 1969: 1969 Malaysian state elections.
- 10 May 2008: Sultan Mizan Zainal Abidin Stadium in Kuala Nerus, Terengganu was opened.
- 11 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 11 May 2019: 2019 Sandakan by-election.
- 12 May 1998: Malawati Stadium in Shah Alam, Selangor was officially opened.
- 12 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 12 May 2021: The 3rd movement control order was implemented nationwide.
- 13 May 1969: 13 May riot broke out.
- 13 May 1996: The 30th Anugerah Sukan Negara was held in Kuala Lumpur.
- 13 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 13 May 2008: The 42nd Anugerah Sukan Negara was held in Seri Kembangan, Selangor.
- 14 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 15 May 1969: National Operations Council was established.
- 15 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 15 May 2010: Melaka Wonderland in Ayer Keroh, Malacca was officiated.
- 16 May 1972: Sungei Wang Plaza in Kuala Lumpur was opened.
- 16 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 16 May 2010: 2010 Sibu by-election.
- 17 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 18 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 19 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 19 May 2014: The 48th Anugerah Sukan Negara was held in Kuala Lumpur.
- 19 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 20 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 20 May 2005:
- Miri was upgraded from town to a city.
- Petroleum Museum in Miri, Sarawak was officially opened.
- 20 May 2006: 2006 Sarawak state election.
- 20 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 20 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 21 May 1973: Rantau Panjang–Sungai Golok Bridge was opened in Rantau Panjang, Kelantan.
- 21 May 2000: 2000 Thomas & Uber Cup was held in Kuala Lumpur.
- 21 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 21 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 22 May 1992: Islamic Heritage Museum in Kuching, Sarawak was opened.
- 22 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 22 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 22 May 2012: Glulam Gallery in Johor Bahru, Johor was inaugurated.
- 23 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 23 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 24 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 24 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 25 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 25 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 25 May 2014: 2014 Bukit Gelugor by-election.
- 25 May 2016: The 50th Anugerah Sukan Negara was held in Putrajaya.
- 26 May 1968: BERNAMA was established.
- 26 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 26 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 26 May 2014: 2013 Sukma Games was held in Perlis.
- 27 May 2007: 2007 Asian Youth Boys Volleyball Championship was held in Kuala Lumpur.
- 27 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 27 May 2014: 2013 Sukma Games was held in Perlis.
- 28 May 2010: 2010 Asian Youth Girls Volleyball Championship was held in Kuala Lumpur.
- 28 May 2014: 2013 Sukma Games was held in Perlis.
- 28 May 2015: Sunway Putra Mall in Kuala Lumpur was opened.
- 28 May 2019: Malaysian Advancement Party was founded.
- 29 May 1990: Hussein Onn, the third Prime Minister of Malaysia, passed away.
- 29 May 2004: 2004 Sukma Games was held in Negeri Sembilan.
- 29 May 2014: 2013 Sukma Games was held in Perlis.
- 30 May 2004: 2004 Sukma Games was held in Negeri Sembilan.
- 30 May 2014: 2013 Sukma Games was held in Perlis.
- 31 May 2004: 2004 Sukma Games was held in Negeri Sembilan.
- 31 May 2008: 2008 Sukma Games was held in Terengganu.
- 31 May 2009: 2009 Penanti by-election.
- 31 May 2014:
- 2013 Sukma Games was held in Perlis.
- 2014 Telok Intan by-election.