The following list of disasters in Great Britain and Ireland is a list of major disasters (excluding acts of war but including acts of terrorism) which relate to the United Kingdom since 1801, or the states that preceded it (England and Wales and Scotland before 1707, Ireland and Great Britain from 1707 to 1800), or involved their citizens, in a definable incident or accident such as a shipwreck, where the loss of life was forty or more.