< Events that happened in #onthisday #otd #history #twitterstorians #dh
Historical events when someone or something
got a patent for
.
Sorted by importance.

`whenYear` >='-3000'
AND `whenYear` <='3000'
AND
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC
LIMIT
0
,
200

1807
1975
1785
1964
1857
1885
1826
1899
1799
1836
1872