No, that's June 20th. The day when we were accepted into the Union as the 35th state. Montani Semper Liberi, friendo.
Yikes a conTROVersy , we both right?
From the National Day Calendar 
NATIONAL WEST VIRGINIA DAY
National West Virginia Day on March 22nd recognizes the last state to be created from one of the original thirteen colonies.
And apologies for this source, Wackypedia
West Virginia Day
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Observed by   West Virginia
Date   June 20
Next time   June 20, 2020
Frequency   annual
West Virginia Day is a state holiday in the US state of West Virginia. Celebrated annually on June 20, the day celebrates the state's 1863 admission to the Union as a result of the secession of several northwestern counties of Virginia during the American Civil War.[1]
On the bright side, I guess you get two celebrations 
 
  