Historical Examples. 1  Not till the third day commence the first geological operations. 2  It is understood that Col. Lawrence will commence this benevolent and patriotic work in the spring or early summer. 3  At daybreak on the 14th M. de Villeroy sent word to M. du Maine to commence the action.
Since Animalia also means animal and animals are made of more than one cell, yes, the kingdom Animalia is multicellular.
Examples of unicellular organisms are bacteria and archea. On the other hand, multicellular organisms are those that house a multiple number, or many, cell types. These organisms are usually larger in size, have more specialized functions, and are classified as the eukaryotes.