Surveys favour a yes vote in the referendum but activists fear the public may yet spring a shock defeat.
Uganda has passed a law that makes some gay acts punishable by life in prison, says a spokesperson for the legislature.
Same-sex marriages in England and Wales can be held from March 29 next year, announced Britain's equalities minister Maria Miller.
Philippine Catholic leaders are standing firm against contraception, abortion and gay marriage despite Pope Francis' comments urging a change of tone.
US President Barack Obama has applauded a US Supreme Court decision on Wednesday that made married gay men and women eligible for federal benefits.
Vincent Autin and Bruno Boileau have said "I do" at an emotional ceremony celebrating France's first official gay marriage after months of protests.
Despite opposition and protests from right-wing groups, France's first gay marriage will go ahead as planned.
France's President Francois Hollande has signed into law a Bill allowing same-sex marriage, making France the 14th country to legalise gay weddings.
France's Parliament will approve a Bill to legalise gay marriage after weeks of protests that have shown no sign of abating in the run-up to the vote.
The US Supreme Court has tread cautiously as it considers gay marriage, with justices appearing hesitant to deliver a sweeping historic verdict.
The Obama administration wants the Supreme Court to overturn California's ban on gay marriages.
Proposals to allow gay couples to marry and adopt children has gone before France's parliament, after months of debate that has split the country.
Tens of thousands of protesters flooded the streets of Paris in protest at government plans to legalise gay marriage and adoption.
The Vatican stressed that children should be raised by a father and mother after Italy's top appeals court granted a gay mother custody of her son.
Gay couples in Maine have queued outside the Portland City Hall to receive their marriage licenses at the stroke of midnight, writes David Sharp.
Two Illinois lawmakers said they will seek to legalise same-sex marriage when the General Assembly reconvenes early next year.
Washington's marriage law has kicked in and more than 800 couples state-wide have received marriage licenses on the first day.
Jeffrey John, the dean of St Albans, has accused the Archbishop of Canterbury of hardening the Church of England's attitude to gay marriage.