Biography

A major boost to the state budget was France's sale of the Louisiana Territory to the United States in 1803.

In 1913, Tesla patented a bladeless disc turbine - his 100th patent.

Towards the end of his life, Ludwig senior had his portrait painted, which remained in his grandson's rooms as a talisman of his musical heritage.

In Europe he wrote 16 papers on quantum mechanics, and together with Born published a paper on the Born-Oppenheimer approximation. He then decided to return to the United States.

At the insistence of his marshals, Napoleon abdicated, relinquishing power to his son, and entrusting the regency to his wife Marie Louise.

In 1879, Nikola Tesla suffered a nervous breakdown.

Charles III is also interested in architecture. He has established several institutions, dealing with the issue of urban planning and architecture, which, as of 2018, form The Prince's Foundation.

Jane Austen's letter, dated 29-30 October 1812, sent to her favorite niece Anna Lefroy, in which the writer parodied a Gothic novel she had read, sold for over £162,000 at auction on 11 July 2017.

She was also a gambling enthusiast - in her late 40s she lost more than £3,000 on horse racing.

He was the author of many aphorisms.