The following lists events that happened during 2015 in Tonga.
Incumbents Monarch: Tupou VI Prime Minister: ʻAkilisi Pōhiva
Events January January 12 - The eruption of the Hunga Tonga volcano disrupts flights to and from Tonga. January 16 - The explosion of the Hunga Tonga submerged volcano near Tonga creates a new island.
References