Definition of jubilee

Jubilee:

 

the celebration of any of certain anniversaries,

 

• the twenty-fifth (silver jubilee ),
• fiftieth (golden jubilee ),
• sixtieth or seventy-fifth (diamond jubilee ).应该改是比较传统的定义
• seventieth platinum jubilee

这个视频里 https://bbs.wenxuecity.com/mysj/274618.html 有两句话：

Within 8 months of his silver jubilee, King George V laid dead... ... ; 即Elizebeth II的祖父

Elizebeth II 在位70年，完成了60年 Diamond jubilee. 她说：

I didn't know if anyone had invented the term platinum jubilee of 70th anniversary when I was born，

; 没人没能想到会用得着那么久的的周年吧