bicentennial
nounEtymology From bi- + centennial.
1
The 200th anniversary of an event or happening.
- The US bicentennial in 1976 was celebrated greatly because the economy happened to be good.
- Mexico celebrates its bicentennial Wednesday, an event known as "El Grito," the shout for independence first credited to a Catholic priest who demanded freedom from Spain. For many Mexicans today, though, it's a quiet shout of despair.2010 September 15, Arthur Brice, “Mexico bicentennial no cause for celebration for many citizens”, in CNN, archived from the original on 26 Jan 2021: