• Annual celebration, for short
• Brief cause for celebration, and this puzzle's title
• Cake time, for short
• Card type, for short
• Celebration of age, for short
• Celebration time, for short
• Driver's license info
• Gift-giving occasion, for short
• Greeting card type, briefly
• Jan. 15, for Martin Luther King Jr.
• Kids' party occasion, briefly
• Kids' party occasion, for short
• Occasion for sending an ecard, maybe
• Present time, briefly
• Present time, for short
• Time for a party, in brief
• Yearly celebration, briefly
• Yrly. event