The news of the Pacific Alliance to some extent overshadowed the news from other regions. If Arthur hadn't been concerned with the situation in Europe, he might not even know when Constantinople was renamed.
Yes, in March 1930, the Republic of Turkey officially declared the renaming of the European city, Constantinople, to Istanbul.
The renaming was the result of a vote by the entire Turkish population and was an inevitable part of Kemal's firm implementation of Turkish reforms.
After all, although Constantinople and Istanbul are only different in name, for the Republic, where the vast majority of its citizens are Turkish, it's natural that the city's naming should primarily reflect the thoughts of the Turkish people.
History has proven that even if it deviates due to various reasons, the wheels of history still repair the deviation.
By the middle of March 1930, several significant events had still occurred worldwide.