To accurately identify the exceptions among examples of early Spanish contact with the United States, it would help to have a list of options to choose from. However, early Spanish contact generally includes events such as the explorations of conquistadors like Hernán Cortés and Francisco Pizarro, the establishment of Spanish missions in California, and the interactions with Native American tribes.
If you provide a list of options, I can help you identify which one does not fit as an example of early Spanish contact.