History · Grades 4–5

When Each State Joined the Union: All 50 States

A fact sheet of the date each state in all 50 states joined the Union, in order, with real dates checked against their sources.

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History · United StatesAges 9–13 · Grades 4–7

When Each State Joined the Union

No. is the order each state joined the United States. Delaware was first; Hawaii was 50th.

NameDate

No.StateJoined

No.StateJoined

1DelawareDec. 7, 1787

2PennsylvaniaDec. 12, 1787

3New JerseyDec. 18, 1787

4GeorgiaJan. 2, 1788

5ConnecticutJan. 9, 1788

6MassachusettsFeb. 6, 1788

7MarylandApr. 28, 1788

8South CarolinaMay 23, 1788

9New HampshireJune 21, 1788

10VirginiaJune 25, 1788

11New YorkJuly 26, 1788

12North CarolinaNov. 21, 1789

13Rhode IslandMay 29, 1790

14VermontMar. 4, 1791

15KentuckyJune 1, 1792

16TennesseeJune 1, 1796

17OhioMar. 1, 1803

18LouisianaApr. 30, 1812

19IndianaDec. 11, 1816

20MississippiDec. 10, 1817

21IllinoisDec. 3, 1818

22AlabamaDec. 14, 1819

23MaineMar. 15, 1820

24MissouriAug. 10, 1821

25ArkansasJune 15, 1836

26MichiganJan. 26, 1837

27FloridaMar. 3, 1845

28TexasDec. 29, 1845

29IowaDec. 28, 1846

30WisconsinMay 29, 1848

31CaliforniaSept. 9, 1850

32MinnesotaMay 11, 1858

33OregonFeb. 14, 1859

34KansasJan. 29, 1861

35West VirginiaJune 20, 1863

36NevadaOct. 31, 1864

37NebraskaMar. 1, 1867

38ColoradoAug. 1, 1876

39North DakotaNov. 2, 1889

40South DakotaNov. 2, 1889

41MontanaNov. 8, 1889

42WashingtonNov. 11, 1889

43IdahoJuly 3, 1890

44WyomingJuly 10, 1890

45UtahJan. 4, 1896

46OklahomaNov. 16, 1907

47New MexicoJan. 6, 1912

48ArizonaFeb. 14, 1912

49AlaskaJan. 3, 1959

50HawaiiAug. 21, 1959

Dates: list of U.S. states by date of admission (Wikipedia, from its cited sources). First 13 states: the day each ratified the Constitution.More free worksheets: handeware.com/learn

How to use it

1. Read the dates and find the oldest first.
2. Look for clusters: many states joined in the same few years.
3. Use it as a reference for the order and timeline sheets.
4. Pair it with the US states map quiz.

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• Which State Joined First? Southern States WorksheetGrades 4–5
• Statehood Timeline Worksheet: Southern StatesGrades 4–5
• When Each State Joined the Union: Southern StatesGrades 4–5
• Which State Joined First? Western States WorksheetGrades 4–5
• Statehood Timeline Worksheet: Western StatesGrades 4–5
• When Each State Joined the Union: Western StatesGrades 4–5

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Play it, too

US States Map QuizFind every state on the map against the clock. Free, in the browser.