Below is a chronological timeline showing the oldest British cows to the newest.

Ancient
Ancient

Vaynol

Ancient

Welsh Black

Ancient
Roman era

Longhorn

Ancient
Ancient

Highland

pre 1066
pre 1530's

British White

Possibly Ancient
early 17th century

Galloway

1700
17th - 18th century

Belted Galloway

pre 18th century
pre 1741

Jersey

1748 onwards
1783 onwards

Dairy Shorthorn

1783 onwards
Late 18th century

North Devon

Late 18th century
1808 onwards

Aberdeen Angus

1870's
1870's

Red Poll

Possibly 19th C
1947 onwards