Summer officially starts on the summer solstice, which falls around June 20-22 in the Northern Hemisphere, and ends on the fall equinox, which falls around September 22-23.
In the past year, it stayed at a relatively stable 50%.
The US officially counts its population every 10 years through the decennial census conducted by the Census Bureau.
San Antonio was officially founded as a city on May 1, 1718, by Spanish settlers.
the world's most amazing machine may be the human body itself
Friday
in the year of 2000.
in 500
It already started
1947.
Night typically starts around sunset, which is when the sky begins to darken and the sun is no longer visible. Night officially begins when the sun has fully set and darkness settles in. This time can vary depending on your location and the time of year.
There are officially 88 constellations.
Officially founded in 1853
Officially? 1998.
november
Spring officially begins on the spring equinox, which usually falls on March 20th or 21st in Oregon. This marks the day when the length of day and night are nearly equal.
D Day officially started at 00.16 when British glider troops landed at Caen. It officially ended at mid-night on June 6, 1944, that same day. Operation Overlord continued as D Day was only the first day.