October 2019
vetenskapsrelaterade händelser under år 2019
scientific achievements (including inventions and discoveries) of the year 2019
tiedemaailman tapahtumat vuonna 2019
שנה במדע
kalendarium tematyczne
Wikipédia-kronológia
События 2019 года в сфере науки
This section seems to be missing November and December, and possibly parts of January, September, and October. Needs checking with the subarticles of Deaths in 2019.
2019年の科学
Vetenskapsåret 2019
2019 en science
2019 in science
2019 год в науке
2019 у науці