=DATEVALUE(REPLACE(REPLACE(A1,1,1,""),3,1,"/"))
edit: =DATEVALUE(REPLACE(REPLACE(A1,1,1,""),2,1,"/"))
or even =DATEVALUE(REPLACE(A1,3,1,"/"))
Also =DATEVALUE("01-"&SUBSTITUTE(A1,".","-"))
Ah, new page fail
@Chalfie started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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=DATEVALUE(REPLACE(REPLACE(A1,1,1,""),3,1,"/"))
edit:
=DATEVALUE(REPLACE(REPLACE(A1,1,1,""),2,1,"/"))
or even
=DATEVALUE(REPLACE(A1,3,1,"/"))