Battle of the Plains of Abraham
The battle of the Plains of Abraham was fought between Montcalm and the British. The British were at a weak positions and their navy was forced to leave the St. Lawrence River before the mouth of the river was closed by ice. In April 1760, Montcalm’s successor, the Chevalier de Levis, decided to march about 7,000 troops to Quebec thus outnumbering the British by 3,000 men. On 28th April, the British were defeated at the Battle of Sainte-Foy, the west of the city. However later the British navy returned and Montreal surrendered to British on 8 September 1760.
Maryland- the seventh state to ratify
A few years after the Treaty of Paris was signed, Maryland became the seventh state to ratify the United States Constitution and thus joining the union.
First successful Army Jump
The first successful Army jump was made by Mr. Leslie Irvin with a free-fall parachute at McCook Field, using a chute that was designed by the civilian employees- Guy Ball and Floyd Smith. Later, the Floyd Smith Aerial Equipment Company made another parachute of the same design and included the circular ripcord ring also. It was designed and patented by Smith in 1920, founder of that company. The parachute was then put on display at the National Museum of the United States Air Force that was one of the oldest specimens in museum’s collection.
The first Night baseball game
On 28th April 1930, the first official baseball game was played in Kansas. It was a minor league between the Independence Producers and the Muskogee Chiefs. Prior to that, night baseball was not played at night. There were a few other experimental night baseball games played but the first official one was in Kansas.
Yellow fever vaccine announced.
Yellow fever was a feared pestilence of the coastal regions and the western hemisphere of West Africa. There was no known treatment or vaccine at that time. After multiple failed attempts, the viral agent causing the yellow fever was finally isolated from the monkeys that opened the gate of research and then Max Theiler, a professor of Epidemiology and Public Health at Yale, worked on the virus attenuation led to the creation of modern vaccine. He was awarded the Nobel Prize for this achievement.
Dominican Republic invaded
On April 28, the Villa Consuelo police station was attacked by the armed civilians, who executed all the police officers present there that survived the initial skirmish. The Marines and the U.S. Army invaded the Dominican Republic.
Muhammad Ali refused induction into the U.S. Army
Boxing champion Muhammad Ali, who defeated heavily favored boxer Sonny Liston in six rounds and became heavyweight champion, was asked by the United States government to be inducted into armed forces when the U.S. was at war in Vietnam and he refused to do so on April 28, 1967. He was then convicted of draft evasion, fined $10.000 and was sentenced to five years of imprisonment. He was also banned from boxing for almost three years for the same. Later he returned to the ring and by the time he retired, he became the only person to be heavyweight champion three times.