What festivals are there in April?

1, April 1: International April Fool's Day.

April Fool's Day, also known as April Fool's Day and Humor Festival, is a traditional folk festival in western society and is celebrated on April 1 day every year. April Fool's Day is similar to the fun festival in ancient Rome and the joy festival in India.

2. April 5: Tomb-Sweeping Day.

Tomb-Sweeping Day, also known as the Walking Festival, is one of the traditional festivals at the turn of mid-spring and late spring in China, and it is also one of the most important festivals to worship ancestors and sweep graves. The traditional Tomb-Sweeping Day of the Han nationality in China began in the Zhou Dynasty and has a history of more than 2,500 years.

3. April 26th: World Intellectual Property Day.

World Intellectual Property Day was established by the World Intellectual Property Organization on April 26th, 20001year, and it was decided to designate April 26th of each year as "World Intellectual Property Day" from 20001year, with the purpose of establishing a worldwide awareness of respecting knowledge, advocating science and protecting intellectual property rights, and creating a legal environment to encourage knowledge innovation and protect intellectual property rights.