When was Nebraska's first constitution adopted?

The adoption of Nebraska’s first constitution occurred in 1866. This important document was created as Nebraska was transitioning from a territory to becoming a state. The constitution outlined the framework for government and established rights and responsibilities for its citizens. Understanding this date is significant in the context of Nebraska's history, particularly regarding its statehood and government formation processes. The options reflect other potential milestones in Nebraska's legal or political timeline, but 1866 is definitively the year that marked the establishment of its initial governing document. This history highlights the progress Nebraska made during the post-Civil War period as it sought to define its identity and governance structure as a new state.