1. vietnamese women's day. 2. vietnamese independence 3. april fool's day. 4. Tet holiday . Các bạn hãy viết câu hỏi những câu hỏi khi nào lễ hội diễn ra thay chữ lễ hội thành các chữ ở trên và nhớ trả lời luôn , trả lời phải mở rộng .

when is Vietnamese women's day celebrated? On 20th October.

when is Vietnamese Independence Day? On the 2nd of September

when is April fool's day? April Fool's Day is an annual custom on April 1

when is Tet holiday in Vietnam? Tet often occurs at the end of January

what do people do during Tet holiday? People often stay at home to welcome guests to their house or go to relative and neighborhood houses. The elderly will be received the wishes for health, the adults will be received the ones for fortune and success while the young and children will be received lucky money.

what do people do in April fool's day? people traditionally play practical jokes on each other and have fun trying to make other people believe things that are not true.