June 21 is not a particularly monumental day in history: 1900  Boxer Rebellion, when China, through Empress Dowager Cixi, declared war on the U.S., Japan and Europe. 1942  A Japanese submarine surfaced near the Columbia River in Oregon and fired 17 shells at Fort Stevens. 1945  End of the Battle of Okinawa, with 160,000 military deaths and 150,000 Okinawan civilians ( half of the 300,000 population ) perishing.  2021  172nd day of the year, with 193 days remaining...in a non-leap year. So what is happening in the USA and World today? #1  Today is the summer solstice in the Northern Hemisphere and winter solstice in the Southern Hemisphere, meaning the north will experience the longest day of the year, and the south the shortest. #2  End of heat wave over California/Arizona/Nevada. #3  Father's Day in much of the Middle East. Well, what about tomorrow? Some parts of the world will experience the solstices. Official end of the Battle of Okinawa in 1945. The  Cuyahoga River  ( above