|
gptkb:projective_plane_of_order_4
|
exists
|
|
gptkb:APPGs
|
since at least 1930s
|
|
gptkb:Kingdom_of_Philippines
|
unknown
|
|
gptkb:Ned_Ludd
|
possibly apocryphal
|
|
gptkb:Gasparilla_(legendary_pirate)
|
disputed
|
|
gptkb:The_Gardens_of_Babylon
|
disputed
|
|
gptkb:orthogonal_Latin_square
|
for order n, at most n-1 mutually orthogonal Latin squares can exist
|
|
gptkb:Bajoran_Prophets
|
Non-linear time
|
|
gptkb:Graeco-Latin_square
|
Graeco-Latin squares exist for all orders n except n=2 and n=6
|
|
gptkb:Crown_corporations_in_Canada
|
since 19th century
|
|
gptkb:Major_Erwin_König
|
unconfirmed
|
|
gptkb:Aurora_Islanders
|
disputed
|
|
gptkb:Hanging_Gardens
|
Disputed
|
|
gptkb:Photino_Birds
|
hypothetical
|
|
gptkb:Charles_XL_of_France
|
fictional
|
|
gptkb:President's_Secret_Book
|
unconfirmed
|
|
gptkb:John_Fare
|
disputed
|
|
gptkb:José_Gaspar
|
disputed
|
|
gptkb:Lê_Văn_Tâm
|
disputed
|
|
gptkb:Wormhole_Aliens_(Prophets)
|
Outside linear time
|