April 1923

Thursday 05:

Firestone Tire and Rubber Company starts production of balloon-tires.

Thursday 12:

Kandersteg International Scout Centre came into existence.

Sunday 15:

Insulin first became generally available for use by diabetics.

Wednesday 18:

Yankee Stadium, "The House that Ruth Built", opens.

Monday 23:

Inauguration ceremonies take place of Gdynia as a temporary military port and fishers' shelter.