The British Empire’s legacy of discrimination.

LGBTQ activists celebrate in Kolkata, India, after the Indian Supreme Court struck down a colonial-era law banning gay sex between consenting adults. (Piyal Adhikary / EPA/Shutterstock)

When India’s Supreme Court this week legalized same-sex intercourse between consenting adults, it buried, most likely forever, a 157-year-old law introduced during British colonial rule.

The decision was a landmark — not least because…