OSMOK Nederland
http://mijndev.openstreetmap.nl/~allroads/NLOSMOK/OSMOKNL.html#map=19.00/{#lat}/{#lon}/0
Wikipedia
https://en.wikipedia.org/w/index.php?search={name}&fulltext=Search
Wikipedia RU
http://osm.mapki.com/history/{#type}.php?id={#id}
Who Dit It?
http://simon04.dev.openstreetmap.org/whodidit/?zoom=12&lat={#lat}&lon={#lon}&layers=BTT
Keep Right validator
http://keepright.ipax.at/report_map.php?zoom=14&lat={#lat}&lon={#lon}&layers=B0T
Element history [demo, =Ctrl-Shift-H]
https://www.openstreetmap.org/{#type}/{#id}/history
Browse element [demo, =Ctrl-Shift-I]
https://www.openstreetmap.org/{#type}/{#id}