Pre Thanksgiving Show - Open Mic,Music. Its thanksgiving time, Call in and request a jam or talk about any Topic Dial 646 716-5525. Thanksgiving, currently celebrated on the fourth Thursday in November by federal legislation in 1941, has been an annual tradition in the United States by presidential proclamation since 1863 and by state legislation since the Founding Fathers of the United States. Historically, Thanksgiving has traditionally been a celebration of the blessings of the year, including the harvest.[39] What Americans call the "Holiday Season" generally begins with Thanksgiving