histogram() with "Date" class?

Dear help list,

Is it possible to draw lattice histograms (i.e. use the histogram() function
and not the hist() function) with objects of class "Date"?

I've tried solutions like

histogram(~date, data=my.data, breaks="months")

but it doesn't seem to work.

Any suggestions are welcome.

Many thanks
Ola Caster

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