Which of the following statements is true about the attack on the US on 11 September 2001?

Statement 01: On 11 September 2001, Nineteen hijackers took control of four American commercial aircraft and flew them into important buildings in the US.
Statement 02: The attacks have come to be known as “11/9”.

Only Statement 01 is true

On 11 September 2001, nineteen hijackers hailing from a number of Arab countries took control of four American commercial aircraft shortly after takeoff and flew them into important buildings in the US. The attacks have come to be known as “9/11”.