After almost three centuries as a Spanish colony, Guatemala won its independence in 1821.
During the second half of the 20th century, it experienced a variety of military and civilian governments, as well as a 36-year guerrilla war.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "president since" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.