Assertion: ostrich's number | /r/HasProperty | reached 1 million
Facets:
value: commercially
type: MANNER
value: by 1913
type: TEMPORAL
Source sentences:
text: Ostrich farms began to spread gradually to other countries, particularly Egypt, Australia, New Zealand, the United States and Argentina, until the total number of ostriches raised commercially reached over 1 million by 1913.