HELO time periods

These are the periods we’ve used in our Archives and HER records, and are starting to use in our Museums records. Use these when using Advanced Search, Times/Periods box.

Have a look in our Times theme to find our gradually growing articles on some of these periods.

Early Prehistoric (500000BC – 4001BC)

Lower Palaeolithic (50000BC – 150001BC)

Palaeolithic (50000BC – 10001BC)

Prehistoric (50000BC – 42)

Middle Palaeolithic (15000BC – 40001BC)

Upper Palaeolithic (40000BC – 10001BC)

Early Mesolithic (10000BC – 7001BC)

Mesolithic (10000BC – 7001BC)

Late Mesolithic (7000BC – 4001BC)

Early Neolithic (4000BC – 3001BC)

Late Prehistoric (4000BC – 42)

Neolithic (4000BC – 2201BC)

Middle Neolithic (3500BC – 2701BC)

Late Neolithic (3000BC – 2201BC)

Bronze Age (2500BC – 701BC)

Early Bronze Age (2500BC – 1501BC)

Middle Bronze Age (1600BC – 1001BC)

Late Bronze Age (1000BC – 701BC)

Iron Age (800BC – 42)

Early Iron Age (800BC – 401BC)

Middle Iron Age (400BC – 101BC)

Late Iron Age (100BC – 42)

Roman (43 – 409)

Early Medieval (410 – 899)

Medieval (900 – 1484)

Early Modern (1485 – 1566)

16th Century (1501 – 1600)

Jacobean (1567 – 1648)

17th Century (1601 – 1700)

Commonwealth (1649 – 1659)

Later Stuarts (1660 – 1713)

18th Century (1701 – 1800)

Georgian (1714 – 1830)

19th Century (1801 – 1900)

William IV (1831 – 1836)

Victorian (1837 – 1901)

20th Century (1901 – 2000)

Edwardian (1902 – 1913)

World War I Period (1914 – 1918)

Inter-War Years (1919 – 1938)

World War II Period (1939 – 1945)

Post War Years (1946 – 1949)

1950s (1950 – 1959)

1960s (1960 – 1969)

1970s (1970 – 1979)

1980s (1980 – 1989)

1990s (1990 – 1999)

2000s (2000 – 2009)

21st Century (2001 – 2100)

2010s (2010 – 2019)

2020s (2020 – 2029)




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