Join Budweiser tonight for the first ever “Budweiser National Happy Hour.” Budweiser will be giving away free samples of their beer in cities nationwide tonight September 29th to help reignite interest in their brand. Samples will be for those ages 21 and up, and ranging from 6 to 12 ounces depending on state or local rules. Budweiser will be notifying consumers of locations to get your free samples via facebook.