Ryanair share price has dropped from 12 Euros to under 3 in one year
In February 2007, RYR carried out a '2 for 1' share split. Basically for every 1 12euro share, you got 2 6euro shares. So the share price has fallen from 6 to 3euro since then.
While this is not great, its a little less dramatic than a 12 to 3euro fall.
This was carried out to improve the liquidity of the stock.