Public law is a legal organization branch in charge of regulating private entities, links between public bodies, to learn about public law must start from the beginning and its development in history, for this leads to the question "How is Public law historically developed in Colombia? Through this work is to describe the historical development submitted by the public law in Colombia from its roots, starting from investigating the origin has been, so as to show from the early historical development and identify the scope to which reached the same with reference to past events. It is important to note the position that the state has within an organization as a country and more if there is a regulation among the links between the citizen and the government, and thus fill the gaps for those not present any appropriate solution for this reason this investigation began looking to defend the rights of those people who are not being respected their rights by public entities. The first remote history of administrative law, originate from Roman law, and that since that time had already formed public institutions needed to operate a minimum of rules, and in the same way in different countries, such as the monarchy and the colonization period Spanish in America, in the formation stage of administrative law and political philosophy the conception of the state were his primary source for the various countries that apply a monist or a dualist system, thanks to this recognition was to get a system special legislation to regulate their own projects of the state administration, which was significantly strengthened gradually forming a unique principles for reforming the administrative activity. At the beginning of administrative law in Colombia was established as an option in government of 1810 season in which they sought new political reforms according to the situation in the country, with the passage of time is constituted various reforms and that was how in 1813 declared absolute independence from Spain, Colombia and thus should not obey the authority that came from his people or their representatives.