  We will prove the following generalization of the ham sandwich Theorem,
conjectured by Imre B\'ar\'any. Given a positive integer $k$ and $d$ nice
measures $\mu_1, \mu_2,..., \mu_d$ in $\mathbb{R}^d$ such that $\mu_i
(\mathds{R}^d) = k$ for all $i$, there is a partition of $\mathbb{R}^d$ in $k$
interior-disjoint convex parts $C_1, C_2,..., C_k$ such that $\mu_i (C_j) = 1$
for all $i,j$. If $k=2$ this gives the ham sandwich Theorem.
