Sent pull request with following changes:
* Polish names for Esztergom, Komarno/Komarom, Vac, Kolpino, Neubrandenburg
* Dutch names for Belgrade, Pecs, Vienna/Carnuntum
* Chinese name for Vienna/Carnuntum
* English name for Kosice, Schaffhausen
* moved some Ottoman names into the alphabetically correct position
* French names for Alba Iulia, Brasov, Buda, Eger, Esztergom, Gyor, Mohacs, Pecs, Szeged, Szombathely, Veszprem
* Greek name for Belgrade
* Japanese name for Vienna/Carnuntum
* copied some Brazilian names to Portuguese
* copied some Greek names to Byzantine
* Hungarian names for Jerusalem, Marshall Islands, Pitcairn Islands, Wallis and Futuna, Havana, Limassol, Saint Petersburg, Mantova, CENTRAL RUSSIA, USSR
* Portuguese & Brazilian names for Vienna/Carnuntum, Zagreb, Belgrade
* sorted Marshall Islands, Pitcairn Islands, Wallis and Futuna alphabetically by language
* Spanish & Gran Colombian names for Carnuntum/Vienna, Belgrade
* changed ARABIA to OTTOMAN where there is a "Turkish" tag (continued)
* other names for Baltic cities
* German names for Tonder, Vyborg
* Lithuanian (Vilnius) name for Konigsberg, Smarhon, Maladzyecna, Suwalki, Lida, Grodno
* removed duplicate St Petersburg from Baltics
* Greek & Byzantine name for Canakkale, Edirne, Balikesir, Antalya, Acipayam, Denizli, Adapazari, Eskisehir
* other names for Genova
* Venetian names for Venice, Aquileia, Mantova, Ferrara, Verona, Padova, Concordia Sagittaria, Vicenza, Treviso, Udine, Pisa, Lucca, Bologna, Firenze, Faenza, Ravenna, Arezzo
* Wolinese names for Szczecin, Rostock, Neubrandenburg, Frankfurt (Oder), Berlin, Potsdam, Schwerin, Stralsund, Koszalin, Gorzow Wielkopolski, Pila (based on this map:
https://upload.wikimedia.org/wikipedia/commons/6/68/Polska_992_-_1025.png)
* Swedish names for Scandinavia
* fixed typo: Kuovola --> Kouvola
* diacritics for Malå
* Roman (Latin) name for Pori, Sodankyla, Oulu, Helsinki, Tampere, Turku, Jyvaskyla, Kuopio, Mikkeli, Kotka, Valletta, Balikesir, Antalya, Acipayam, Denizli, Adapazari, Eskisehir
* Norwegian name for Utsjoki
* Vatican name for Rome
* Ottoman names for Orestias, Brasov, Calarasi, Craiova, Galati, Nis, Novi Sad, Pula, Rijeka, Slavonski Brod, Baia Mare, Buda, Carnuntum, Gyor, Hunedoara, Komarom, Komarno, Pest, Sarospatak
* Gaulish (Celtic) name for Rijeka
* some fixes to Hungarian names