Chronology of Nordic Bronze Age boat images on bronzes (like razors and stuff) and on rocks.

You can see the development of the styles and increasing artistic sophistication over time.

Also perhaps increasingly elaborate boat development in those great curving prows and sterns.

Dates on the left are BC.

Horizontal divisions and numerals refer to the subdivisions of the Nordic Bronze Age chronology.

By Flemming Kaul 1998.