The Longest Eclipses

In a saros, some total solar eclipses are long and some are short.

The longest possible duration of totality is 7 minutes 31 seconds.
The longest solar eclipse of the 20th century was on 30 June 1973.
The most recent 'long' eclipse was on 11 July 1991 (6 m 54 s).
The next 'long' eclipse is on 22 July 2009 (6 m 40 s).