October = National Dessert Month, National Cookie Month
October = first full week is National Mental Health Illness Week
October 1 = National Homemade Cookie Day -- That's today! What cookies did you make?
October 7 = National Frappe Day
October 9, 1797 = Birthday of Philippe Suchard, founder of what was once the greatest chocolatier in Switzerland, creator of the Milka bar
2nd Thursday = National Dessert Day -- this falls on the 10th that has two other holidays of note for us
October 10 = National Angel Food Cake Day; World Mental Health Day -- don't stress about these three holidays today, please!
October 14 = National Chocolate-Covered Insect Day
October 16 = World Food Day -- find some chocolate related food from a country that isn't your own today and try to make it something other than candy; bonus if you make a recipe from another country today with chocolate!
October 18 = National Chocolate Cupcake Day
3rd Saturday in October = Sweetest Day -- falls on the 19th this year
28 = National Chocolate Day -- in the USA this means to go find a local chocolate company or candy shop that makes the candy and get some
October 30 = Buy a Donut Day
October 31 = Halloween; National Candy Apple Day