Saint Brendan, also known as Brendan the Navigator, was a 6th-century Irish monk and explorer. He is best known for his legendary voyage across the Atlantic Ocean, which is said to have taken him to various mystical lands. His adventures are chronicled in the tale called The Voyage of Saint Brendan, where he and his companions encounter strange creatures and miraculous events during their journey. Brendan is celebrated as the patron saint of sailors and travelers. His feast day is observed on April 16th, and he is often depicted with a boat and a cross. Many believe that his explorations inspired later explorers, including Christopher Columbus, in their quests for new lands.