| In addition to the founding institutes a number of communities have been given birth over the years: |
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- the Sisters of St. Hildegard of the Catholic Apostolate, founded in 1921 in Germany; |
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- the Teresian Sisters of the Catholic Apostolate, founded in 1928 in Germany; |
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- APIS, a community of unmarried working women, founded in 1934 in Switzerland; |
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- the Congregation of the Eucharistic Sisters of St. Vincent Pallotti, founded in 1948 in Italy; |
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- the Mariana Institute, founded in 1959 in Australia; |
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- the Secular Institute, Khristsevikas, founded in 1960 in India; |
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- the Marian Institute of the Catholic Apostolate, founded in 1963 in Bolivia; |
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- the community of the Sisters of the Mother of Divine Love, founded in 1963 in South Africa; |
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- the community Ancilla-Kreis(Handmaids of Christ) in the Catholic Apostolate of Vincent Pallotti, founded in 1965 in Germany; |
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- the community Laienverband (Lay Associates) des Katholischen Apostolates, founded in 1966 in Germany; |
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- the community Quinta Dimensione, founded in 1970 in Italy; |
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- the community Respuesta Cristiana, founded in 1984 in Argentina; |
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- the community Circolo dell’Apostolato Hoffstetten, founded in 1996 in Germany. |
