UK Flag - Official Union Jack Design and Symbolism #1497015 (License: Personal Use)

The Union Jack features a composite design of three heraldic crosses: the red cross of St George (England), the white saltire of St Andrew (Scotland), and the red saltire of St Patrick (Ireland). Its proportions are 1:2, with precise color specifications-Pantone 280 (blue), 186 (red), and white-ensuring official consistency. Adopted in its current form in 1801 after the Act of Union with Ireland, it remains a globally recognized symbol of British identity.

Used on government websites, educational resources, travel guides, and international event pages to represent the UK; matches user intent for learning about national symbols, history, or preparing for citizenship/travel.