Economic puzzlesHypothesesInscriptions of disputed originLists of unsolved problemsPhilosophical problemsQuantum computingScientific problemsUndeciphered historical codes and ciphersUnexplained disappearancesUnidentified peopleUnidentified soundsUnsolved crimesUnsolved deathsUnsolved problems in linguisticsWorks of unknown authorshipYear of work unknown
broader
related
Wikipage page ID
25,174,161
Wikipage revision ID
681,137,949
type
label
Open problems
@en
sameAs
prefLabel
Open problems
@en