According to Wikipedia and other sources, on November 27;
176 Marcus Aurelius grants his son the rank of Imperator making him the Supreme Commander of the Roman Legions.
1924 The first Macy's Thanksgiving Day Parade is held in NYC
1934 Baby Face Nelson dies in a shoot-out with the FBI
1971 The Soviets Mars 2 orbiter releases a descent module. It malfunctions and crashes, but is the first man made object to reach Mars.