April 15th, 1816

Patriots' Day is a civic holiday observed in certain U.S. states, primarily Massachusetts and Maine, to commemorate the Battles of Lexington and Concord, which marked the beginning of the American Revolutionary War in 1775. The day typically involves reenactments, parades, and ceremonies to honor the brave patriots who fought for American independence. In Massachusetts, the Boston Marathon is also held annually on Patriots' Day. Patriots' Day is a time for reflection on the sacrifices made by early American colonists and an opportunity to celebrate the spirit of freedom and independence that played a pivotal role in shaping the nation's history.

World Art Day is a global observance dedicated to promoting the importance of art and its transformative impact on culture and society. This day honors the contributions of artists and encourages creative expression in all its forms. Events include art exhibitions, workshops, and cultural activities that celebrate diversity, innovation, and the power of artistic expression to inspire and connect people worldwide. World Art Day serves as a reminder of the universal language of art, fostering dialogue, understanding, and appreciation for the rich tapestry of artistic heritage across the globe.

Orthodox Palm Sunday, celebrated by Eastern Orthodox Christians, marks the triumphant entry of Jesus Christ into Jerusalem. The day is also known as "Entry into Jerusalem Sunday" and is observed on the Sunday before Easter. Orthodox Christians commemorate the event by carrying palm branches and participating in processions, symbolizing the crowd's welcome of Jesus with palm leaves. Church services include special prayers, hymns, and the blessing of palm branches. Orthodox Palm Sunday serves as a joyous and festive prelude to Holy Week, as the faithful reflect on the significance of Jesus' entry into Jerusalem and anticipate the events leading to his crucifixion and resurrection.