I can not speak for Andrew but will venture a guess that the day he met Our Lord and was chosen by him to be an apostle - the first apostle - would be a good bet.
St Andrews's population is 16,680.
St Andrews Lutheran College was created in 1993.
St Andrews F.C. was created in 1973.
St. Andrews F.C. was created in 1983.
Fairmont St Andrews was created in 2001.
St Andrews Cathedral was created in 1318.
Birmingham City F.C. are the current tenants of St Andrews.
St Andrews College is in Papanui ,Christchurch ,Canterbury ,New Zealand
st Andrews Scotland
St Leonard's College - University of St Andrews - was created in 1511.
St. Andrews Creek Bridge was created in 1931.
St. Andrews Biological Station was created in 1908.