China: June 1st Japan: "Girls' and Children's Day" on March 3rd, "Boys' and Children's Day" on May 5th, "July 3rd"

Choice B United States: May 1 International Children's Day (also known as Children's Day, International Children's Day) is scheduled for June 1 every year.

In order to commemorate the Lidice massacre on June 10, 1942 and all the children who died in wars around the world, to oppose the killing and poisoning of children, and to protect children's rights, the International Democratic Women's Federation held a board meeting in Moscow in November 1949

, representatives of China and other countries angrily exposed the crimes of imperialists and reactionaries in various countries that killed and poisoned children.

The meeting decided to take June 1st of each year as International Children's Day.

It is a festival established to protect children's rights to survival, health care, education, and custody around the world, to improve children's lives, and to oppose child abuse and poisoning.

At present, many countries in the world regard June 1 as children's holiday.