St Andrew's Cross 16th c. (Scotland) | | St George's Cross 16th c. (England) |
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Union Flag of 1606 1606 (Union of the Crowns) 1660 (Restoration) 1707 (Great Britain) | | Coat of arms of Ireland 16th c. (Ireland) |
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| | | | | Protectorate Jack 1651 (The Commonwealth) |
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St Patrick's Cross (Historical) 17th c. (Ireland) | | Union Flag of 1801 1801 (UK of GB & I) 1922 (UK of GB & NI) |