...is the number of levels of hell and of heaven in the Divine Comedy.

...is the number of Muses.

...is considered lucky in Chinese because it sounds like the word for long lasting,

...but is considered unlucky in Japanese because it sounds like the word for pain or distress.

...is the number of the companions in the Fellowship of the Ring, and the number of Ringwraiths sent to harry them.

...was the number of planets in the solar system until last month.

...AD was the year in which one of my A level Latin poets, Ovid, was banished, probably for writing schoolboy tittilating pornographic drivel!

You can tell a number can be divided by nine if, when you add all its digits together, and then again if necessary until you end up with just one digit, that digit is 9:

e.g. 5204961 is (5+2+0+4+9+6+1)=27, and (2+7)=9

This post displays the international maritime signal flag for 9.

1909 was the year of the Peoples' Budget, in which, of course, a UK Liberal government tried to implement Land Value Tax!

9 is the number that, however unworthily, Iain Dale placed this blog at in his list of 100 top Liberal Democrat oriented blogs!

See the rest of the Lib Dem 100 here, the Tory 100 here, the Labour 100 here and the unaligned 100 here. Or better still, buy the guide if you are not going to a party conference, like me!

Ain't Wikipedia useful, sometimes!