HoTD + WoTD (July 21)

[mastergraywolf]

Going ahead since the 21st is a couple of hours ;) Later there will be a ramble.

WORD
Detrimental
- Adjective. Something that causes harm or damage. Injurious.
- From Latin words detrimentum ("harm") < deterere ("to rub off, wear")
- Antonyms: Beneficial; good

HISTORY
- Battle of Guam (World War II) began in 1944.