It feels great to know about the history of our ancestors. We could never know what happened when without the proper historical records. Here are some of the events that happened on April 28 for various years.
1848: Slavery abolished in French colonies
Many countries prohibit slavery during those years. For France, one of the greatest achievements of the colonial revolution was the abolition of slavery in 1848. Although, there was a ban put on slavery in 1794. Napoleon reinstated it in 1802. In the early 1800s, the campaign against slavery became even more strong in dissident and Republican circles. Finally, in April 1848 a definitive decree was adopted. After France, re-abolished slavery in its colonies, more than 2 lakh slaves were freed. Moreover, all the slaves had universal voting rights after the abolition. The former slave owners who vigorously protested against liberation were also promised compensation. They argued that the loss of labor would ruin their colonies.
1932: Announcement of a yellow fever vaccine for humans on April 28
In the late 19th century, yellow fever was a known and feared plague in the western hemisphere and the coastal areas of western Africa. And there was no known cause or treatment for the disease. It was often referred to as “yellow jack” because of the yellow quarantine flags on ships. The population was terrorized by the disease and commerce was also disrupted. In 1932, scientists at the Institute Pasteur in Dakar developed the first vaccine which drastically reduced yellow fever in French-speaking Africa. It was subsequently replaced with a new vaccine, specially produced at the Pasteur Institute in Dakar, which is a laboratory accredited by the WHO for use with large-scale vaccination schemes.
1937: 1st animated cartoon electric sign displayed (NYC)
In New York City, Broadway has the first electric sign in 1937. It was designed by American advertising manager Douglas Leigh. The show includes a horse and a cat throwing balls. There were 2,000 bulbs in the banner. Leigh’s talents found an important place in the changing culture of consumerism in the 1930s and 1960s. Advertisers were looking for ways to reach the consumers. His creative activity is evident in one of his most famous and unsurpassed sign innovations. This was a 1942 announcement for Camel Cigarettes that blew the real rings of smoke. After every four seconds, the Camel cigarette ad puffs out five-foot steam smoke rings. Moreover, the picture changed from soldiers to airmen. The Claridge hotel did not remove the sign until 1966. The replacement of the building was done after that.
1937: 1st commercial flight across Pacific operated by Pan Am on April 28
The first transpacific aviation completes in 1937 by a commercial passenger airliner. The Pan American Airways Martin M-130 Chinese Clipper arrives in Hong Kong. They flew with seven revenue passengers from San Francisco Bay and California. Finally, crossed the Pacific Ocean via Hawaii, Midway Island, Wake Island, Guam, Manila, Macau, and reached Hong Kong. The Martin M-130 was 90 feet, 10.5 inches long with a wingspan of 130 feet. It was 24 feet, 7 inches high. And its maximum takeoff weight was 52,252 pounds.
2001: Millionaire Dennis Tito becomes the world’s first space tourist
On April 28, 2001, American millionaire Dennis Tito was the first to be in the space as a tourist. However, some obstacles hit Tito’s ambitions to travel in space as a paid customer. Since NASA rejected his request. It was because of his age and the fact that he was not a trained astronaut. He eventually persuaded the Russian Space Agency to take him away and spent eight days in total with several days on the ISS. The former NASA engineer reportedly paid US$ 20 million to turn his dream of a Space Flight into reality.
2005: The Patent Law Treaty goes into effect
WIPO has adopted the Patent Law Treaty (PLT), which came into force on 28 April 2005. The objective of the Patent Law Treaty (PLT) is to harmonize and streamline formal proceedings in respect of applications for and patents under national and regional patents, thus facilitating their usage. PLT will facilitate patent applicants and patent proprietors to obtain and preserve patents worldwide. By simplifying national and international official conditions associated with patent requests and patents.