adding start_dates and flagging for more precise start_dates by future mappers

deleting orphan nodes (no tags, not part of a way or relation)

fixing some missing start_dates in Seattle area, as well as standardizing source tags for King County 1936 Aerials

touching up some Boston-area info & fixing missing sources

prepping a bunch of empire-related chronologies and boundaries for easier downloading as part of OHM preso for SotM 2025

prepping a bunch of empire-related chronologies and boundaries for easier downloading as part of OHM preso for SotM 2025

adding different names for Przyszowice throughout history, along with approximate dates of name changes based on historical control of this village

adding localized names for testing on staging

1 string fix

adding localized names for Crown of Castile

removing a Crown of Castile label to test centroid generation & localization

adding some localized names for testing

adding some localized names for testing

adding some localized names for testing

conflating some existing (and relatively recent) boundary relations with modern segments

separating a natural feature from a boundary

standardizing some sourcing from istat.it

cleaning up roles and adding fixme tags

cleaning up/closing some admin_level=2 relations and maritime boundaries in the Adriatic & combining / reducing ways that impact a lot of relations

removing some unused ways used by prior boundary relations