Claims

George Washington laid the Capitol cornerstone in a Masonic ceremony on September 18, 1793

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George Washington laid the Capitol's cornerstone on September 18, 1793, in a Masonic ceremony with Maryland and Virginia lodges, an inscribed silver plate, corn, wine and oil to consecrate the stone, and a 500-pound ox barbecued afterward.

Evidence

RelationRecordNote
documentsaoc.govArchitect of the Capitol: 18 Sep 1793; Masonic lodges; silver plate; corn, wine and oil; 500-lb ox barbecued
corroboratessenate.govSenate history: Washington laid the cornerstone 18 Sep 1793; Masons in full regalia; silver plate per Masonic ritual
documentsaoc.govArchitect of the Capitol: the 1793 cornerstone

Sources

SourceRelationAt
DC Masonic symbolism (Camp Gagnon)asserts

Claim

George Washington laid the Capitol's cornerstone on September 18, 1793, in a Masonic ceremony with Maryland and Virginia lodges, an inscribed silver plate, corn, wine and oil to consecrate the stone, and a 500-pound ox barbecued afterward.