http://www.wordnik.com/lists/global-impossibility-advisory.xml When will that happen? <br /> <br />When pigs fly. <br />When hell freezes over. <br /> <br />How about: <br /> <br />When the 7-11 is closed. (Thailand) <br />When the crayfish whistles on the hill. (Russia/Ukraine) <br /> <br />How other cultures express impossibility. Phrases on this list were found at www.omniglot.com <br /> http://www.wordnik.com http://www.wordnik.com/words/cuando las ranas críen pelo Tue, 29 Sep 2009 00:52:41 +0000 http://www.wordnik.com/words/cuando las ranas críen pelo http://www.wordnik.com/words/tuohikuussa pukinpäivänä Wed, 01 Jul 2009 03:55:28 +0000 http://www.wordnik.com/words/tuohikuussa pukinpäivänä http://www.wordnik.com/words/ad graecas calendas Sun, 28 Jun 2009 14:04:36 +0000 http://www.wordnik.com/words/ad graecas calendas http://www.wordnik.com/words/on goalkeeper's day Wed, 21 Jan 2009 10:16:06 +0000 http://www.wordnik.com/words/on goalkeeper's day http://www.wordnik.com/words/when i see the back of my head Wed, 21 Jan 2009 10:15:54 +0000 http://www.wordnik.com/words/when i see the back of my head http://www.wordnik.com/words/on saint wait's day Wed, 21 Jan 2009 10:15:15 +0000 http://www.wordnik.com/words/on saint wait's day http://www.wordnik.com/words/at horse's easter Wed, 21 Jan 2009 10:15:05 +0000 http://www.wordnik.com/words/at horse's easter http://www.wordnik.com/words/the year of never and the month of then Wed, 21 Jan 2009 10:14:51 +0000 http://www.wordnik.com/words/the year of never and the month of then http://www.wordnik.com/words/when gipsy children are streaming from the sky Wed, 21 Jan 2009 10:13:53 +0000 http://www.wordnik.com/words/when gipsy children are streaming from the sky http://www.wordnik.com/words/when it's snowing red snowflakes Wed, 21 Jan 2009 10:13:13 +0000 http://www.wordnik.com/words/when it's snowing red snowflakes http://www.wordnik.com/words/when it snows in summer Wed, 21 Jan 2009 10:12:49 +0000 http://www.wordnik.com/words/when it snows in summer http://www.wordnik.com/words/on a cold day in hell Wed, 21 Jan 2009 10:12:39 +0000 http://www.wordnik.com/words/on a cold day in hell http://www.wordnik.com/words/on saint never's day Wed, 21 Jan 2009 10:12:04 +0000 http://www.wordnik.com/words/on saint never's day http://www.wordnik.com/words/on the twelfth of never Wed, 21 Jan 2009 10:11:54 +0000 http://www.wordnik.com/words/on the twelfth of never http://www.wordnik.com/words/on saint glinglin's day Wed, 21 Jan 2009 10:11:39 +0000 http://www.wordnik.com/words/on saint glinglin's day http://www.wordnik.com/words/in the week with four thursdays Wed, 21 Jan 2009 10:11:05 +0000 http://www.wordnik.com/words/in the week with four thursdays http://www.wordnik.com/words/in the week with three thursdays Wed, 21 Jan 2009 10:10:33 +0000 http://www.wordnik.com/words/in the week with three thursdays http://www.wordnik.com/words/in the week with two thursdays Wed, 21 Jan 2009 10:09:55 +0000 http://www.wordnik.com/words/in the week with two thursdays http://www.wordnik.com/words/not in a month of sundays Wed, 21 Jan 2009 10:08:59 +0000 http://www.wordnik.com/words/not in a month of sundays http://www.wordnik.com/words/when easter and whitsun coincide Wed, 21 Jan 2009 10:08:28 +0000 http://www.wordnik.com/words/when easter and whitsun coincide http://www.wordnik.com/words/when whitsun falls on new year's day Wed, 21 Jan 2009 10:07:59 +0000 http://www.wordnik.com/words/when whitsun falls on new year's day http://www.wordnik.com/words/when easter falls in may Wed, 21 Jan 2009 10:07:24 +0000 http://www.wordnik.com/words/when easter falls in may http://www.wordnik.com/words/when the broomstick blooms Wed, 21 Jan 2009 10:06:50 +0000 http://www.wordnik.com/words/when the broomstick blooms http://www.wordnik.com/words/when the cow coughs Wed, 21 Jan 2009 10:05:40 +0000 http://www.wordnik.com/words/when the cow coughs http://www.wordnik.com/words/when frogs grow hair Wed, 21 Jan 2009 10:05:15 +0000 http://www.wordnik.com/words/when frogs grow hair http://www.wordnik.com/words/when pears grow on the linden tree Wed, 21 Jan 2009 10:04:51 +0000 http://www.wordnik.com/words/when pears grow on the linden tree http://www.wordnik.com/words/when the louse sneezes Wed, 21 Jan 2009 10:04:12 +0000 http://www.wordnik.com/words/when the louse sneezes http://www.wordnik.com/words/when the heron turns black Wed, 21 Jan 2009 10:03:39 +0000 http://www.wordnik.com/words/when the heron turns black http://www.wordnik.com/words/when the crow turns white Wed, 21 Jan 2009 10:03:27 +0000 http://www.wordnik.com/words/when the crow turns white http://www.wordnik.com/words/when the owl's tail blossoms Wed, 21 Jan 2009 10:02:40 +0000 http://www.wordnik.com/words/when the owl's tail blossoms http://www.wordnik.com/words/when chicken have teeth Wed, 21 Jan 2009 10:02:08 +0000 http://www.wordnik.com/words/when chicken have teeth http://www.wordnik.com/words/when donkeys fly Wed, 21 Jan 2009 10:01:15 +0000 http://www.wordnik.com/words/when donkeys fly http://www.wordnik.com/words/when cows fly Wed, 21 Jan 2009 10:01:08 +0000 http://www.wordnik.com/words/when cows fly http://www.wordnik.com/words/when pigs fly Wed, 21 Jan 2009 10:01:01 +0000 http://www.wordnik.com/words/when pigs fly http://www.wordnik.com/words/in a cuckoo summer Wed, 21 Jan 2009 10:00:54 +0000 http://www.wordnik.com/words/in a cuckoo summer http://www.wordnik.com/words/when grapes ripen on the willow Wed, 21 Jan 2009 10:00:30 +0000 http://www.wordnik.com/words/when grapes ripen on the willow