What happened on June 21st in history? 1788 – New Hampshire becomes the ninth state to ratify the Constitution of the United States. 1791 – King Louis XVI of France and his immediate family begin the Flight to Varennes during the French Revolution. 1798 – Irish Rebellion of 1798: The British Army defeats Irish rebels at the Battle of Vinegar Hill.
What is celebrated June 21? Today is National Selfie Day, Summer Solstice, World Day of Music and International Yoga Day. We have 23 holidays listed for June 21.
Why is June 21 the longest day? Summer officially began today (June 21) at 5:14 a.m. EDT (0914 GMT), huzzah! Summer officially kicks off in the Northern Hemisphere today (June 21), marking the longest day of the year. During the June solstice (or summer solstice), the sun reaches its highest and northernmost points in the sky.
What National day is in June? June 1, 2022 – NATIONAL SAY SOMETHING NICE DAY – NATIONAL GO BAREFOOT DAY – WORLD REEF AWARENESS DAY – NATIONAL RUNNING DAY – NATIONAL OLIVE DAY – NATIONAL NAIL POLISH DAY – NATIONAL HEIMLICH MANEUVER DAY – NATIONAL HAZELNUT CAKE DAY – NATIONAL PEN PAL DAY.