National holiday: Timeline

1937   Pennsylvania Pennsylvania

The Commonwealth of Pennsylvania is a state [i] in the northeastern [i] ... 

 becomes the first (and only) of the United States United States

The United States of America, also known as the United States, the U.S., the U.S.A., a... 

 to celebrate Flag Day officially as a state holiday National holiday

A national holiday is a statutory [i] holiday enacted by a country [i] to commemorate the countr ... 

.

1956   Pakistan Pakistan

[i] located in [[South Asia]... 

 becomes the first Islam Islam

Islam is a monotheistic [i] religion [i] based upon the Qur'an [i], which adherents believe w ... 

ic republic Republic

In a broad definition, a republic is a state [i] or country [i] that is led by people whose political power [i] ... 

 and a National holiday is observed in the country included the former East Pakistan East Pakistan

East Pakistan was a former province of Pakistan [i] which existed between 1955 and 1971. ... 

 state State

A state is a set of institution [i]s that possess the authority [i] to make the rules that govern the pe ... 

.

1961   Luxembourg Luxembourg

The Grand Duchy of Luxembourg is a small landlocked [i] country in western Europe [i], bordered by Belgium [i] ... 

's national holiday, the Grand Duke's Official Birthday, is set on June 23 by Grand Ducal decree.