Cheung Tze-keung ((1955--)07 1955 – (1998--)05 1998 ) was a notorious Chinese gangster also known as "Big Spender" (). He was a kidnapper, robber, arms smuggler and was wanted for murder. He was best known for having masterminded the abduction of Walter Kwok and Victor Li, son of Li Ka Shing. Using only the above description and what you know about the world, "Cheung Tze-keung was born 50 years after a major event happened in China" is definitely correct, incorrect, or inconclusive? 