Flying the U.S. flag upside down is recognized as a distress signal and a request for assistance or rescue.Flying any flag upside-down is a sign of great disrespect for what that flag represents. When it's the flag of a country, flying it upside-down is often the sign of anarchy or other anti-government ideals. That or as a distress signal.
The Californian was in the water nearby but they'd shut their radios off and had stopped for the night because of the iceberg warnings. The Carpathia was further away but had their radios on and responded to Titanic's distress calls, arriving the morning after the sinking. The Californian also assisted with rescue in the morning after their radios had been turned back on and they could hear the radio traffic from the Carpathia.
"Question should read 'who' not 'what' and the answer is Nyx" Don't be so cocky if you're going to get the answer wrong. Nyx is the greek goddess of the night. The roman one is Nox. And the 'who' and 'what' depends on if you believe it was an actual existing person or not. Seeing as they were really just fictituous personalities represented by idols or the like then the preface 'What' is perfectly acceptable.
They had not invented radio or the mobile phone by that time.Answer Signal flags were (and still are) used for ship-to-ship (and ship-to-shore and vice versa) communication for centuries. This was the only means of getting messages from one ship to another during daylight hours other than by physically travelling between them. At night, signalling was more problematical, and before the invention of signalling lamps and the Morse code, night signals were very simple (lamp covered 3 times, for instance).
The term 'last night' is a noun phrase; the adjective 'last' describing the common noun 'night'.
Pyrotechnic visual distress devices have an expiration date.
flares are rated for day, night or combined day/night use
Flares are rated for day, night or combined day/night use.
approved visual distress signals
approved visual distress signals
approved visual distress signals
approved visual distress signals
approved visual distress signals
Approved visual distress signals
there was no boats around, it was very late at night.
Waving your hands not as a fist
from sun set to sun rise