Liechtenstein celebrates its National Day, Staatsfeiertag, each August 15th, and it's even more special in 2019, as it is the 300th anniversary of the country's independence.
National Day begins with a proclamation by the prince and the president in front of Vaduz Castle, followed by a reception in the castle's garden, which everyone present is invited to. (It is the only day of the year the garden is open to the public.) A day-long fair in Vaduz ends in a fireworks display.
Visit www.300.li/en for 300th anniversary info and www.staatsfeiertag.li/en/home for National Day info.