National Boss' Day Is Observed To Congratulate All Of The World's Bosses For Everything They Do For Their Employees. Every Year October 16, Is Observed As National Boss's Day. It Is Considered That Bosses Are Underappreciated For Motivating And Assisting Their Staff In Growing, And This Day Tries To Recognise Them For All Of This And More. Patricia Bays Haroski, Who Was Working As A Secretary For Her Father At The Time, Registered This Day With The United States Chamber Of Commerce. On This Boss' Day, Thank Your Bosses By Sharing These Greetings And Messages With Them.