1880s – An era of prosperity paved the way to assuring the future of Judaism in America, through founding new institutions and keeping up with the congregants.
- 1884: Funds raised for relief of Jews suffering from pogroms in Russia.
- 1886: Rabbi Aaron Wise instrumental in founding Jewish Theological Seminary, espousing Conservative Judaism.
- 1887: Fire in Clinton Street synagogue necessitated rebuilding and rededication
- 1889: Resolution passed to sell Clinton Street synagogue and move uptown due to changing demographics and the need for larger quarters.
- 1891: On September 4, first service held in new synagogue at Lexington Avenue and 63rd Street; Rodeph Sholom Sisterhood founded, revitalizing the Young Ladies Sewing Society.
- 1892: “Anniversary Oration,” celebrating 50th year of the Congregation, was delivered by 18 year old Stephen S. Wise.
- 1896: Sudden death of Rabbi Aaron Wise; Rabbi Stephen Wise declined invitation to succeed his father.
- 1897: Rabbi Rudolph Grossman inducted as new Rabbi; a revised Prayer Book introduced and used for many years.
- 1899: In a sermon, Rabbi Grossman appealed to the congregation to make the wearing of hats by men optional and to abandon second day of High Holy Day services.



