| Ex. SEC-16-GM-014 | Organizer noticeWeekly worship services, March 15 to May 31, 2020 (class: every congregation) | congregations of every tradition (Protestant, Catholic, Orthodox, Jewish, Muslim, other) | every community, ALLOrganizer | Mar. 12, 2020 | | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-020 | Organizer noticeGeneral Conference of The Church of Jesus Christ of Latter-day Saints (April and October) | The Church of Jesus Christ of Latter-day Saints | Salt Lake City (Conference Center, Temple Square), UTOrganizer | Mar. 12, 2020 | | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-004 | Organizer noticeBoston Marathon and the B.A.A. Official Charity Program (the nonprofit sector's largest single-day fundraising event in New England) | Boston Athletic Association | Hopkinton to Boston, MAOrganizer | Mar. 13, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-005 | Organizer noticeBoston Marathon and the B.A.A. Official Charity Program (the nonprofit sector's largest single-day fundraising event in New England) | Boston Athletic Association | Hopkinton to Boston, MAOrganizer | Mar. 13, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-018 | Organizer noticeMennonite Church USA leadership meetings and biennial convention (Constituency Leaders Council; Executive Board; MennoCon21) | Mennonite Church USA | Kansas City, Missouri (CLC, Westin Crown Center); Philadelphia (Executive Board); Cincinnati (Duke Energy Convention Center, MennoCon21), MO; PA; OHOrganizer | Mar. 13, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-022 | Organizer noticeMennonite Church USA leadership meetings and biennial convention (Constituency Leaders Council; Executive Board; MennoCon21) | Mennonite Church USA | Kansas City, Missouri (CLC, Westin Crown Center); Philadelphia (Executive Board); Cincinnati (Duke Energy Convention Center, MennoCon21), MO; PA; OHOrganizer | Mar. 13, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-025 | Organizer noticeMennonite Church USA leadership meetings and biennial convention (Constituency Leaders Council; Executive Board; MennoCon21) | Mennonite Church USA | Kansas City, Missouri (CLC, Westin Crown Center); Philadelphia (Executive Board); Cincinnati (Duke Energy Convention Center, MennoCon21), MO; PA; OHOrganizer | Mar. 13, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-031 | Organizer noticeBoston Marathon and the B.A.A. Official Charity Program (the nonprofit sector's largest single-day fundraising event in New England) | Boston Athletic Association | Hopkinton to Boston, MAOrganizer | Mar. 13, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-032 | Organizer noticeBoston Marathon and the B.A.A. Official Charity Program (the nonprofit sector's largest single-day fundraising event in New England) | Boston Athletic Association | Hopkinton to Boston, MAOrganizer | Mar. 13, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-030 | Organizer noticeRamadan and Eid al-Fitr 2020 (Apr. 23-May 24, 2020), Eid al-Adha (July 31, 2020); Ramadan and Eid al-Fitr 2021 (Apr. 12-May 13, 2021) | mosques and Islamic centers (nightly taraweeh prayers, iftar meals, Eid prayers and festivals) | every community; concentrated in Michigan (Dearborn and Detroit), California, New York, New Jersey, Illinois, Texas, Virginia and Minnesota, MI; CA; NY; NJ; IL; TX; VA; MNOrganizer | Mar. 16, 2020 | 2020 Q2 | Organizer notice | Confirmed from a secondary source | |
| Ex. SEC-16-GM-001 | Organizer noticeAmerican Red Cross blood drives hosted by churches, schools, colleges and workplaces | American Red Cross | national, ALLOrganizer | Mar. 17, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-026 | Organizer noticeSouthern Baptist Convention Annual Meeting | Southern Baptist Convention (Executive Committee) | Orlando (Orange County Convention Center) in 2020; Nashville (Music City Center) in 2021, FL (2020); TN (2021)Organizer | Mar. 24, 2020 | 2020 Q2 | Organizer notice | Confirmed from a secondary source | |
| Ex. SEC-16-GM-027 | Organizer noticeSouthern Baptist Convention Annual Meeting | Southern Baptist Convention (Executive Committee) | Orlando (Orange County Convention Center) in 2020; Nashville (Music City Center) in 2021, FL (2020); TN (2021)Organizer | Mar. 24, 2020 | 2020 Q2 | Organizer notice | Confirmed from a secondary source | |
| Ex. SEC-16-GM-002 | Organizer noticeUSCCB Spring General Assembly | United States Conference of Catholic Bishops | Detroit (2020); virtual (2021), MIOrganizer | Apr. 6, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-021 | Organizer noticeUSCCB Spring General Assembly | United States Conference of Catholic Bishops | Detroit (2020); virtual (2021), MIOrganizer | Apr. 6, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-033 | Organizer noticeUSCCB Spring General Assembly | United States Conference of Catholic Bishops | Detroit (2020); virtual (2021), MIOrganizer | Apr. 6, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-006 | Organizer noticeSynod of the Christian Reformed Church in North America | Christian Reformed Church in North America (Council of Delegates) | Grand Rapids (Calvin University) in 2020; Sioux Center, Iowa (Dordt University) in 2021, MI (2020); IA (2021)Organizer | Apr. 8, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-007 | Organizer noticeSynod of the Christian Reformed Church in North America | Christian Reformed Church in North America (Council of Delegates) | Grand Rapids (Calvin University) in 2020; Sioux Center, Iowa (Dordt University) in 2021, MI (2020); IA (2021)Organizer | Apr. 8, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-019 | Organizer notice224th General Assembly of the Presbyterian Church (U.S.A.) | Presbyterian Church (U.S.A.), Committee on the Office of the General Assembly (COGA) | Baltimore (Baltimore Convention Center); conducted online from Louisville, MDOrganizer | Apr. 24, 2020 | 2020 Q2 | Organizer notice | Primary source read | |
| Ex. SEC-16-GM-023 | Organizer notice224th General Assembly of the Presbyterian Church (U.S.A.) | Presbyterian Church (U.S.A.), Committee on the Office of the General Assembly (COGA) | Baltimore (Baltimore Convention Center); conducted online from Louisville, MDOrganizer | Apr. 24, 2020 | 2020 Q2 | Organizer notice | Primary source read | |