A five-wicket win over Namibia at the ICC qualifying occasion in Malahide close Dublin saw the Inlet minnows achieve their first major global competition.
Triumph additionally saw the Global Cricket Committee gift Oman, drilled by previous Sri Lanka chief Duleep Mendis, and with ex-Britain all-rounder Derek Pringle as of late selected as a specialized counselor, full Twenty20 status.
Oman had already beaten Canada, the Netherlands and Afghanistan, all significantly more experienced partner or non-Test cricket countries, at the qualifying competition.
Afghanistan fixed the other qualifying spot on offer Thursday with a six-wicket win over Papua New Guinea.
It was the fourth progressive time that Afghanistan - who contended at the current year's 50-over World Glass in Australia and New Zealand - had met all requirements for the World Twenty20.
The 16 groups who will contend in the finals period of the World Twenty20 are the 10 Test sides, in addition to qualifiers Scotland, Ireland, Hong Kong, the Netherlands, Afghanistan and Oman.