Which exploration crossed into territory belonging to a you European nation?

One notable exploration that crossed into territory belonging to a European nation was Ferdinand Magellan's expedition in 1519-1522. While attempting to find a western route to the Spice Islands, Magellan's fleet entered the waters of the Spanish-controlled Philippines, where he was eventually killed. This voyage marked the first circumnavigation of the Earth and highlighted the competition for territorial claims among European powers during the Age of Exploration.