Pennsylvania joined the Union as the second state on 12 December 1787
december 12,1787
Yes because Pennsylvania joined the union on Dec 12th 1787.
Delaware, Pennsylvania and New Jersey.
who joined the union
The date was December 12,1787. It was more a case of Pennsylvania agreeing to join that of being admitted to the union since the union had only one state when PA joined
Philadelphia is a city. Cities did not take independent action to join the Union on their own.
what two states joined the union in 1912the two states that joined the union in 1912 was the states of Arizona and New Mexico what two states joined the union in 1912the two states that joined the union in 1912 was the states of Arizona and New Mexico
Many, many thousands of people joined the Union army.
No new countries joined the European Union in 2005.
Oregon joined the Union on Febuary 14, 1859
Pennsylvania was the second state to join the union.