Šilgaliai was formerly part of the German Empire. In the German Empire, the place was called Schillgallen R.
The place is now called Šilgaliai and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Schillgallen b. Rucken | German Empire | Tilsit | before the Versailles Treaty |
| Šilgaliai | Lithuania | Pajėgiai | after the Versailles Treaty |
| Schillgallen R | German Empire | Tilsit-Ragnit | 1939 |
| Šilgaliai | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| Šilgaljaj | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| Šilgaliai | Lithuania | Šilutė | 1992 |