Linked from
The 45 pages that link to Oganesson, each with the reason it gives.
Superheavy elementBroader topic: It marks the current end of the confirmed periodic table.
Transactinide elementBroader topic: It is the highest-numbered element confirmed to date.
Synthetic elementBroader topic: It is the highest-numbered element confirmed to date.
Period 7 elementBroader topic: It completes period 7 at its far-right end.