The Battle of St. Albans took place on May 22, 1455, and was the first major battle of the Wars of the Roses, a series of civil wars in England. The conflict was fought between the Lancastrians, who supported King Henry VI, and the Yorkists, led by Richard, Duke of York. The battle occurred in the town of St. Albans, Hertfordshire, and resulted in a decisive victory for the Yorkists. The battle marked a significant shift in power, as the Yorkists captured King Henry VI. This victory allowed Richard, Duke of York, to gain influence over the king and the government. The outcome set the stage for further conflicts in the ongoing struggle for the English throne.