Today is December 3, 2013, and 7-time world champion Michael Schumacher lives to turn 45 around his closest friends and family. Schumacher suffered extreme brain trauma after slamming his head against a rock in a terrifying ski accident on Sunday. Even though doctors say German's condition has stabilized, Michael Schumacher remains in an induced coma on his birthday.

Michael Schumacher's accident occurred 11 a.m. on Sunday while he was enjoying a vacation with his family at the foot of the French Alps. According to reports, Schumacher was skiing off-piste (back country) at a relatively conservative speed when he had fallen. According to Grenoble-based newspaper Dauphiné Libéré, French authorities will speak with Sabine Kehm, Schumacher's manager, to understand the exact cause of the accident.

For the past several days, doctors of a specialist clinic of Grenoble, France, are working around the clock to monitor the  head trauma and reduce the swelling inside his brain. In a remarkable display of solidarity, Michael Schumacher's wife Corinna, brother Ralf, father Rold, son Mick, and daughter Gina-Maria, were joined by a bus-load of Michael Schumacher's fans that arrived to the hospital Friday show support to their hero and to wish the former Ferrari driver a happy birthday. Approximately 100 Italian Ferrari fans in red and white held banners and flags before the hospital.

Schumi, all our thoughts for you and your family," read one of the banners. Many fans also wrote letters for the retired racing driver. According to the Guardian, as many as 500 fans are expected to arrive before the hospital throughout the day.

Michael Schumacher's fellow motorsport colleagues have expressed support as well. Read the tweets of sympathy and support below. Be sure to also watch this incredible tribute celebrating Schumacher's incredible Formula 1 career.