1, International Day against Homophobia: I hope to arouse the world's attention to homophobia. All physical and mental violence and unfair treatment are caused by sexual orientation and gender identity.

2. World Telecommunication and Information Society Day: May 17 every year is World Telecommunication and Information Society Day. Commemorating the International Telecommunication Union

In order to establish and emphasize the role of telecommunications in national economic development and people's lives, the 23rd Executive Council of the International Telecommunication Union decided to designate May 17, the founding day of the International Telecommunication Union, as World Telecommunication Day.

3. Norwegian National Day: May 17 is Norway's National Day, celebrating the birth of 1874 Basic Law. This is also to celebrate Norway's independence from Sweden.