17 July - Constitution Day South Korean

Constitution Day (Korean: 제헌절) in South Korea is observed on 17 July, the day that the South Korean constitution was proclaimed in 1948. The date was deliberately chosen to match the founding date of 17 July of the Joseon dynasty.

Although the Korean Peninsula was liberated from Imperial Japanese rule by the Allies at the end of World War II on 15 August 1945, it was caught in the middle of a Cold War power struggle between the Soviet Union and the United States. 

It took until 1948 for a democratic election for National Assembly members to be held in South Korea. The elected assembly members set upon creating a constitution, and decided upon a presidential and unicameral system. The constitution was formally adopted and promulgated by South Korean President Syngman Rhee on 17 July 1948.

16 July - World Snake Day

World Snake Day is celebrated on July 16 of every year. World Snake Day is a day to know and understand much information about carnivorous reptiles, which are on the way to extinction largely because of the myths and superstitions surrounding them. The first reaction to finding a snake for most lay-people remains fear and they want to kill it. World Snake Day is a day to educate and inform people about how to handle snakes, whom to call, resources available to them and much more.

16 July - Trygve Halvdan Lie born in 1896

Trygve Halvdan Lie (16 July 1896 – 30 December 1968) was a Norwegian politician, labour leader, government official and author. He served as Norwegian foreign minister during the critical years of the Norwegian government in exile in London from 1940 to 1945. From 1946 to 1952 he was the first Secretary-General of the United Nations. Lie earned a reputation as a pragmatic, determined politician.

Lie died on 30 December 1968 of a heart attack in Geilo, Norway. He was 72 years old.

16 July - Fresh Spinach Day

Fresh Spinach Day is observed on July 16 of every year. Fresh Spinach Day reminds everyone to adopt spinach in their diet and to begin with a healthy lifestyle. Like the cartoon character, Popeye said spinach makes people stronger, healthier and sharper. Often spinach is assumed to taste bad and are disliked by many, but many recipes of spinach are delicious to have. Fresh spinach has high nutrition value than the cooked ones. This leafy vegetable has low fat, high water content, high fibre, and variety vitamins. It is one of the best sources of iron, and other vitamins like calcium, folic acid, fibre, protein, calcium and vitamins A, C and K. Spinach is second primarily produced in the United States after China. Fresh Spinach Day encourages people to eat more of healthy and good food like the fresh spinach.

16 July - Apollo 11 launched in 1969

On July 16, 1969, Apollo 11 was launched by a Saturn V rocket from Kennedy Space Center in Merritt Island, Florida. Apollo 11 was the fifth manned mission of NASA's Apollo program and it was the spaceflight that landed the first humans on the Moon, Neil Armstrong and Buzz Aldrin, on July 20, 1969. Armstrong became the first to step onto the lunar surface on July 21, 1969.

The Apollo spacecraft had three parts: a Command Module (CM) with a cabin for the three astronauts, which was the only part which landed back on Earth; a Service Module (SM), which supported the Command Module with propulsion, electrical power, oxygen, and water; and a Lunar Module (LM) for landing on the Moon.