Wikipedia page about this book: https://en.wikipedia.org/wiki/Henry_VI,_Part_2

The First Folio, 1623

Release date is 1997-11-01

"King Henry VI, Part 2" by William Shakespeare is a history play written in 1591. It depicts a kingdom unraveling as nobles scheme against each other and the weak King Henry struggles to maintain control. When the trusted Duke of Gloucester falls victim to conspiracy, Richard of York seizes the opportunity to advance his own claim to the throne. The play builds toward the First Battle of St Albans, where English nobility divides into warring factions, igniting the bloody Wars of the Roses between Lancaster and York. (This is an automatically generated summary.)

Original publication data not identified