As far as I can find. South Africa made its One Day International debut on the 10th of November 1991 against India, where they were defeated by 3 wickets.
2008 Australian grand prix
Toyota
No one till now has won a World Championship in their Debut
Ayrton Senna
Shahid Afridi made his ODI debut on 2 October 1996 against Kenya in Nairobi.
Ralf Schumacher made his formula one debut in the 1997 season for the Jordan F1 Team. He drove car no. 11 in his first season. He finished his debut season in 11th place overall with 13 championship points. His best finish was the 3rd place he achieved in the Argentine GP.
Aryton Senna
His debut single is called One Time.
You mean what right? His debut single was one time.
She made her debut as a bullfighter one week before her 21st birthday.
Justin Bieber's debut single is "One Time".