1743 - 1st half-page newspaper ad is published (NY Weekly Journal)
1830 - Uruguay adopted a liberal constitution. URUGUAY CONSTITUTION DAY.
1931 - 1st air-conditioned ship (Mariposa) launched
1942 - Test flight of German Messerschmitt Me-262 using only its jet engines for the first time.
1955 - 280 mm rain in Martinstown, Dorset (UK-record)
