
1) Anniversary 2) Cause for celebration in NYC 3) Day of remembrance 4) Tercentennial 5) The 300th anniversary 6) Triennial
Found on
https://www.crosswordclues.com/clue/tercentenary

1) Tercentennial
Found on
https://www.crosswordclues.com/clue/tercentenary

• (a.) Including, or relating to, an interval of three hundred years. • (n.) The three hundredth anniversary of any event; also, a celebration of such an anniversary.
Found on
http://thinkexist.com/dictionary/meaning/tercentenary/
Ter·cen'te·na·ry adjective [ Latin
ter thirce + English
centenary .] Including, or relating to, an interval of three hundred years. --
noun The three hundredth anniversary of any event; also, a celebration of such an anniversary.
Found on
http://www.encyclo.co.uk/webster/T/28

tercentenary 1. A year, or an exact day, 300 years after an event, usually one of special historic significance. 2. Coinciding with the 300th anniversary of an event, and often celebrating or commemorating the event.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2115/
No exact match found.