February 23 - this day in history

On February 23, 1874, English Major Walter Wingfield patented the game, which he called Sphairistike, now known as tennis. His game resembled old tennis, but with slightly different rules, and most importantly - intended not for indoor areas and halls, but for grassy lawns.

1893 - Rudolf Diesel received a patent for a diesel unit.

1903 - Cuba transfers the USA to the Guantanamo base permanently.

1934 - Leopold III becomes king of Belgium.

1947 - The International Organization for Standardization (ISO) is founded.

1987 - SN 1987A supernova exploded to reach Earth. This is the closest supernova since the invention of the telescope.

1993 - Ruby programming language was created.

2008 - with the help of the Tanegashima cosmodrome with the help of the H-IIA PH, the Japanese telecommunications satellite Kizuna was successfully launched.