How to write a short message invitation for Grandpa's eightieth birthday?

1, Mr./Ms. XX: Today is grandpa's eightieth birthday. Fortunately, he is in good health, and his children and grandchildren are around his knees. Therefore, we will arrange a thin banquet in the Grand Hotel 1 1: 30 on X, X, to celebrate his father's birthday. We sincerely invite you and your family to attend. I also take this opportunity to express my deep gratitude to the nobles, friends and relatives who have cared for and supported us! Waiting for you!

2. Dear XX, hello! I will celebrate my grandfather's eightieth birthday on XX, X, X, thank you.

3. Sunday, X month, X year is my grandfather's eightieth birthday. I want to invite XX to my mother's birthday party. I'll wait at six o'clock and sit at seven o'clock. I am waiting for you.

We will hold a celebration of Grandpa's eightieth birthday somewhere on a certain day, a certain month and a certain time, and sincerely invite someone to come.

Dear XXX, we will hold grandpa's eightieth birthday banquet in the hotel at some time. We sincerely invite you to attend and look forward to your arrival!