The HTC Dream was released in the US on 22 October 2008; in the UK on 30 October 2008; and became available in other European countries including Austria, Netherlands, and the Czech Republic in early 2009. It was released in Germany in February 2009 with a QWERTZ keyboard and in France in March 2009 with an AZERTY keyboard. On 10 March 2009, it became available in Poland as Era G1 under a local mobile brand affiliated with T-Mobile.
Initially when in launched it didn't create too much of a competition to Apple's iPhone, but it showed them that Google is serious is about mobile.
Get the white version of the phone here.