Dates and years

Dates

The day of the month is always an ORDINAL number. 
They day can go BEFORE or AFTER the month. If it goes after the month, a comma separates it from the year.

WE WRITE                  WE SAY
April 1st                       April the first 
1st Arpil                       the first of April
February 12th             February the twelfth
12th February             the twelfth of February

Years

WE WRITE                WE SAY
1066                           ten sixty-six
1999                           nineteen ninety-nine
2000                           the year two thousand
2009                           two thousand and nine
2014                           two thousand and fourteen
'60s                             the sixties