July 25 – Some important events on this day.
306 👉🏼 Constantine I is proclaimed Roman Emperor by his troops
1521 👉🏼 About 300 heretics burned in Vrijdagmarkt Gent
1538 👉🏼 The City of Guayaquil is founded by the Spanish Conquistador Francisco de Orellana and given the name Muy Noble y Muy Leal Ciudad de Santiago de Guayaquil
1670 👉🏼 Austrian Emperor Leopold I expels 4,000 Jews from Vienna
1814 👉🏼 English engineer George Stephenson introduces his first steam locomotive, a travelling engine designed for hauling coal on the Killingworth wagonway named Blücher
1871 👉🏼 Carousel patented by Wilhelm Schneider, Davenport, Iowa
1908 👉🏼 Ajinomoto Co. is founded. Kikunae Ikeda of the Tokyo Imperial University discovers a key ingredient in Konbu soup stock is monosodium glutamate (MSG), patents a process for manufacturing it.
1943 👉🏼 Benito Mussolini dismissed as Italian Premier and arrested on the authority of King Victor Emmanuel III
1944 👉🏼 World War II: Operation Spring – one of Canada’s bloodiest days, 18,444 casualties and 5,021 killed
1978 👉🏼 World’s first “test tube” baby born
On this day, Louise Joy Brown, the world’s first baby to be conceived via in vitro fertilization (IVF) is born at Oldham and District General Hospital in Manchester, England, to parents Lesley and Peter Brown. The healthy baby was delivered shortly before midnight by caesarean section and weighed in at 2,608 kilograms.
1992 👉🏼 Opening of the XXV Olympiad in Barcelona
1997 👉🏼 Scientists announce the first human stem cells to be cultured in a laboratory using tissue taken from aborted human embryos
1999 👉🏼 86th Tour de France: Lance Armstrong wins 1st of 7 consecutive Tour de France titles but is later disqualified for drug cheating
2017 👉🏼 Sperm counts have halved in last 40 years says research published in “Human Reproduction Update” journal
2019 👉🏼 High temperature records set across Europe just one day after previous records set, Paris 42.6C (108.7F), Germany 42.6C (108.6F), Netherlands 40.7C (105.2F) , Belgium 40.6C (105.2F)