momentous

very important; historically significant ที่สำคัญยิ่ง

History repeated itself at Thung Makham Yong when His Majesty the King made a momentous return to a royally initiated paddy field where he harvested rice 16 years ago.

Most Thais already know about the imminent arrival of the Asean Economic Community in 2015 and the momentous changes it will bring.

On New Year's Eve, award-winning Chef Thibault presents one of his greatest menus to-date; a 9-course contemporary French gala dinner more than worthy of such a momentous occasion.