Dates are currently not supported outside of this range.

This may not be an issue for analyzing specific data sets like current web logs, but is a show stopper for using ClickHouse more generally. For example, if one wanted to include a user's birthdate with the web activity in order to do analysis by age cohort, this would not work. If one wanted to do analysis on historical data this is also an issue.

Date and DateTime values should be expanded to cover a much larger range.