The 2020 Australian Grand Prix was cancelled on 13 March. The decisions that led to the Formula 1 paddock flying halfway across the world as the full horrors of the pandemic unfurled and the event being cancelled shortly before the season's first practice session was supposed to start shocked the championship.
But it was nothing compared to what was to come, as most F1 personnel flew home just before the spring lockdowns shut down the world.
Yet nine months later, on 13 December, the 2020 season concluded successfully in Abu Dhabi.