Worst April Fool's Day jokes revealed .

If we have learned anything from Brexit, it is that not every joke is a laughing matter. So on April Fool’s Day, as you take a break from the clowns in Westminster to have some fun, beware history is full of outrageous gags that seriously backfired. Here, History Revealed magazine, which is out now, shares 10 tales of hapless hoaxes and japes that really are mirth their weight in gold…

Cliff was the only one who cracked up.

Glacier calves into lagoon forcing tourists to flee as wall of ice falls into water creating giant waves.

Tourists had to flee from the edge of a lagoon after a section of a glacier broke off creating large pulsating waves near the shore. The dramatic moment was captured on the edge of the Jokulsarlon lagoon in Iceland yesterday. Visitors can be seen walking out on the rocks towards the peaceful lagoon. All of a sudden, the Breidamerkurjokull glacier calves into the water creating a massive wave.

Teen says 'sorry for not dying' after miracle recovery from terminal cancer.

A young terminal cancer sufferer given just days to live has offered to refund £3,000 in funeral donations after a miracle all-clear and even APOLOGISED for not dying. Xsara Sanderson was given the devastating news that she had had stage 4 Hodgkin lymphoma last July after suffering from symptoms including chest and neck pain and rapid weight loss.

Teacher 'suffocates infant by laying on top of him because he refused to nap'.

A teacher allegedly suffocated an 11-month-old boy by laying on top of his after he refused to nap. The woman, named only as Liao, is accused of pressing her body onto the face-down boy on the floor.

Saudi Woman Beheaded for Sorcery.

Saudi Arabia executed a woman Monday for practising magic and sorcery, which is banned in the ultra-conservative kingdom.