[3] In 1975, then-Pastor Cirilo A. Rigos, along with senator Jovito Salonga, organized the Paglingap Ministry to Political Detainees, which interceded for the release of political prisoners and offered financial aid to their families during the administration of then President Ferdinand Marcos under Martial Law.

[4] In 2012, some members of the Cosmopolitan Church led by then Pastor Phoebe Dacanay disaffiliated from the UCCP.

In 1999 in the event of the 66th anniversary of the Cosmopolitan Church, eight panels of stained glass were installed at the memorial sanctuary.

[6] A chapel inaugurated on January 6, 1978, the Angela Valdez Ramos Memorial Chapel is located within church grounds dedicated to Angela Ramos, for her role in the church's Sunday School.

[7] A courtyard, the Founder's Garden is also located within church grounds in between the chapel and Memorial Sanctuary.