📅 On this day
Nothing is recorded for 21 October yet — we only add a date when a source states it.
Coming up: 22 October (Chandrayaan-1 launched) · 31 October (Assassination of Indira Gandhi) · 5 November (Mars Orbiter Mission)
The year in dates 46 moments on 41 days
January
February
March
April
May
June
July
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August
September
October
November
December
How we check: each date is written in its source — NCERT chapter text, ISRO, or the official page behind a Tools & Technology milestone. Events on YugMap store only a year, so days are added one by one, only when a source gives them.