Editing 1984 (section)

===May===
* [[May 2]] – South Africa, [[People's Republic of Mozambique|Mozambique]] and Portugal sign an agreement on electricity supply from the [[Cahora Bassa]] dam.
* [[May 5]]
** The Herreys' song "[[Diggi-Loo Diggi-Ley]]" wins the [[1984 Eurovision Song Contest|Eurovision Song Contest]] for [[Sweden]] in [[Luxembourg]].<ref>{{cite book |title=The Economist |url=https://books.google.com/books?id=1ZvqAAAAMAAJ |year=2005 |publisher=Economist Newspaper Limited |page=57}}</ref> It subsequently becomes a top-ten hit in five European countries.
** The [[Itaipu Dam]], on the border of Brazil and Paraguay after nine years of construction, begins generating power; it is the [[List of largest hydroelectric power stations|largest hydroelectric dam in the world]] at the time.<ref>{{cite book |title=Energy Economist |url=https://books.google.com/books?id=ZCK0AAAAIAAJ |year=1999 |publisher=Financial Times Business Information Limited |page=12}}</ref>
* [[May 8]] – The [[Soviet Union]] announces that it will boycott the [[1984 Summer Olympics]] in [[Los Angeles]].
* [[May 11]] – A [[transit of Earth from Mars]] takes place.
* [[May 12]] – The [[1984 Louisiana World Exposition|Louisiana World Exposition]], also known as the 1984 World's Fair, opens.
* [[May 13]] – [[Severomorsk Disaster]]: an explosion at the Soviets' Severomorsk Naval Base destroys two-thirds of all the missiles stockpiled for the Soviets' Northern Fleet. The blast also destroys workshops needed to maintain the missiles as well as hundreds of technicians. Western military experts called it the worst naval disaster the Soviet Navy has suffered since WWII.
* [[May 14]] – The one-dollar coin is introduced in Australia.
* [[May 23]] – A methane gas explosion at [[Abbeystead]] water treatment works in [[Lancashire]], UK, kills 16 people.  
* [[May 30]] – [[Liverpool F.C.|Liverpool]] beat [[A.S. Roma|Roma]] 5–2 after penalties in the final of the [[1984 European Cup Final|1984 European Cup]] football tournament.<ref>{{cite book |last1=Liversedge |first1=Stan |title=Liverpool: The Official Centenary History |publisher=Hamlyn Publishing Group |location=London |year=1991 |isbn=0-600-57308-7 |page=195}}</ref>