In a sunny classroom overlooking the cityscape, a passionate Czech teacher began his lesson. "Children," he started, "in a few days, we'll have a national holiday that is very significant for our nation. July 6th is not just any day; it marks the day when one of our country's most important figures, Jan Hus, was executed. But why? Let's dive into his story." The room grew silent, all eyes focused intently on the teacher. "Jan Hus lived in a tumultuous time, in the 14th and early 15th centuries. The Church was immensely powerful, and there was growing discontent with its practices, especially regarding indulgences and the ways it wielded its power." "Jan Hus," he continued, "was not only a brilliant theologian but also a reformer. He believed that people should be able to read the Bible in their own language, which was quite revolutionary at the time. He wanted to eliminate corruption and abuses within the Church." A curious student raised her hand, "Sir, why was he executed then?" Teacher replied, "Great question! Jan Hus's ideas were considered very dangerous by the powerful Church. His call for reforms and criticism of certain Church practices led to his excommunication. He was summoned to the Council of Constance, where, instead of being heard, he was arrested, tried for heresy, and eventually burned at the stake on July 6th, 1415." He paused to let the gravity of the event sink in, then added, "As he was about to be executed, it's said that he sang a hymn, 'Christ, thou Son of the Living God,' showing his unwavering faith and belief." A quiet boy at the back asked, "But why do we celebrate this day? It sounds so tragic." Teacher smiled, "It's a day of remembrance, not celebration. We remember Jan Hus because he stood up for his beliefs and for the betterment of society. His death was not the end; it ignited the Hussite movement and wars, where his followers, known as the Hussites, sang 'Ye Warriors of God and His Law,' a song inspired by Hus's teachings and bravery." "We commemorate Hus's legacy, his vision, and his sacrifice. We value truth, righteousness, and the courage to stand up for one's beliefs. That, children, is why July 6th is so significant in our history."