It's an astronomical event, it's day of festivity since antiquity and and international day. How much do you really know about it? Let's put your knowledge to the test ...
Answer: Mother's Day
More information: Beginning in 1956, Mother's Day has been observed on the same date as the vernal equinox in many Arab countries due to the clear association between motherhood and fertility/Spring.
More information: In the Northern Hemisphere, the vernal equinox marks the first day of Spring. However, in the Southern Hemisphere, this same date is the beginning of Fall.
Answer: New York
More information: The International Day of Happiness was launched in 2013 by Ndaba Mandela, the late Nelson Mandela's grandson and Chelsea Clinton, daughter of Bill and Hillary Clinton, at the TedXTeen conference in New York City.
More information: The sun travels northward across the equator (from south to north) during the March equinox, while it does the opposite during its autumnal counterpart.
Answer: "Equal night"
More information: Equinox translates into English as "equal night", which alludes to the fact that day and night hours are virtually the same length during these occasions.
More information: This resolution was put forth by the Kingdom of Bhutan, a landlocked country located in South Asia.
More information: The 2018 World Happiness Report, which is related to the International Day of Happiness, ranked Finland as the happiest country on Earth followed respectively by Norway, Denmark and Iceland.
Answer: Pharrell Williams
More information: Pharrell Williams, in collaboration with the United Nations, promoted the International Day of Happiness in 2014. He did the same in 2015, which featured him giving a speech in front of the UN General Assembly.
Answer: Summer Solstice
More information: The June or Summer solstice is considered to generally mark the end of Spring and signal the beginning of Summer.
More information: Vernal Equinox Day is a national holiday in Japan, which is marked by visiting the grave sites of relatives and holding family reunions.