It is Father’s Day in the UK on Sunday, 19th June 2016
It is Father’s Day in Australia on Sunday, 4th September 2016
It is NOT an official holiday.
On July 19, 1910, the governor of the U.S. state of Washington proclaimed the United States first Father’s Day.
In 1966, the US President, Lyndon B. Johnson, designated the third Sunday in June as the official day to celebrate Father’s Day in the US
Fathers Day in the UK began to appear mainly in the 1970’s.