There were many British colonies throughout history. Some of the most notable ones include:

1. Thirteen Colonies in North America (Massachusetts, Virginia, Maryland, Connecticut, Rhode Island, New Hampshire, Delaware, Pennsylvania, New York, New Jersey, North Carolina, South Carolina, and Georgia)
2. India
3. Canada
4. Australia
5. New Zealand
6. South Africa
7. Kenya
8. Jamaica
9. Trinidad and Tobago
10. Guyana
11. Singapore
12. Nigeria
13. Hong Kong
14. Bermuda
15. Bahamas
16. Barbados
17. Cyprus
18. Rhodesia

There were many others as well, but these are some of the most well-known colonies that Britain established over the years.