Category:550s disestablishments
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Organizations, places or other things abolished or disestablished in the decade
550s
.
500s
510s
520s
530s
540s
550s
560s
570s
580s
590s
600s
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th
11th
See also:
Category:550s establishments