Crossnumber puzzle 15x15 08/16/1960

Numerical crossword puzzle 15x15 08/16/1960 - where you need to fill the puzzle with numbers in place of letters like classic crosswords.

On August 16, 1960 in Stockholm by the decision of the XI International Astronautical Congress the International Academy of Astronautics, IAA (International Academy of Astronautics, IAA) was founded.

Help yourself to have our online solver fill out the puzzle.
We gave you the first number on the 15x15 grid as a hint so you have a start. Fill in the numbers from the list in which they will match, and mark each number as you enter in the crossword puzzle.
You will soon have the entire mesh completed. If you get stuck, or just need a little peek to get started, you can click on the hint "Number" or see the answers button "Solution".