June 21 is the longest day of the year. But that's not all, there are so many events happening all over the World and so many have happened in the past. Take a look.

Longest day of the year - June solstice
The June solstice is the Summer Solstice in the Northern Hemisphere and the Winter Solstice the Southern Hemisphere. The date varies between June 20 and June 22. This year it falls on June 21. Technically, it means the Sun reaches its highest point in its path as seen from the Earth and the tilt of the Earth's axis is most inclined towards the sun. In simpler terms, the day is much longer than normal. The event has been celebrated for centuries across the globe by pagans who visit Stonehenge to watch the sun rise among the stones. The celebration is often accompanied with bonfires, dancing and general merriment.