Celebrate the 1st week of 2020

Here are the things we're celebrating the 1st week of January 2020.

Jan 1 - New Year's Day & Z Day
Jan 2 - National Buffet Day & Swiss Cheese Day & World Introvert Day
Jan 3 - National Drinking Straw Day & Festival of Sleep Day
Jan 4 - National Spaghetti Day & National Trivia Day
Jan 5 - National Whipped Cream Day & National Bird Day