first noticed

URI: https://gptkb.org/prop/first_noticed
3 triples
GPTKB property
Random triples
Subject Object
gptkb:the_Old_Man_of_the_Mountain 1805
gptkb:Pegasus_Dwarf_Galaxy gptkb:Hubble_Space_Telescope
gptkb:Centaurus_X-19 in the early 1970s